Which of the following cheeses would likely spoil the most quickly? a. A high fat, high salt variety. b. A low fat, low salt variety. c. A low fat, high salt variety. d. A high fat, low salt variety.
Answers
Answer:
b
Explanation:
Answer: A low fat, low salt variety
Explanation: just got it right
Related Questions
Scientists recently discovered that rocks collected from the Franklin mountains in West Texas and rocks collected from the mountains in eastern Antarctica were exactly the same age. Further research showed that the rocks were chemically and geologically the same and came from the same magma source. This discovery provide evidence of
Answers
The discovery of rocks from West Texas and Antarctica being the same age and having similar characteristics supports the theory of continental drift and plate tectonics, indicating that these regions were once connected and have since moved apart.
Explanation:The discovery that rocks collected from the Franklin mountains in West Texas and rocks collected from the mountains in eastern Antarctica were exactly the same age and had the same chemical and geological characteristics provides evidence of continental drift and plate tectonics. This indicates that the two regions were once part of the same landmass and have since moved apart.
This finding supports the theory that the continents were once connected in a supercontinent called Pangaea and have since drifted apart to their current positions on the Earth's surface.
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The nurse administers an oral preparation of liquid Tylenol 650 mg is ordered. Afterward, the patient indicates he had been receiving Tylenol 650 mg in pill form. Which statement is accurate in regards to the five rights?
A) The nurse failed to deliver the correct dose.
B) The nurse failed to administer the light medication.
C) The nurse did not violate the five rights.
Answers
Answer:
Answer is C. the nurse did not violate the five rights.
Explanation:
The 'five rights' is a system which must be adopted, especially by the nurse in the administration of the drugs to the patient. This system is very important because, it will prevent causing harm to the patient and reduce medication error.
The 'five rights' are
* Right patient
* Right drug
* Right dose
* Right route
* Right time.
In this case, the nurse followed all the five rights in the administration of the liquid Tylenol 650 mg.
In this scenario, the nurse provided the right medication (Tylenol), the right dose (650 mg), and presumably at the right time. While the route of administration changed from pill to liquid, assuming the patient had no difficulties with liquid medication, the nurse would not have violated the five rights of medication administration.
Explanation:The five rights of medication administration include the right patient, the right drug, the right dose, the right route, and the right time. In this scenario, even though the route of administration changed (from pill to liquid), the patient still received the correct drug (Tylenol), and the correct dose (650 mg). The potential concern could be whether the patient had any restrictions or difficulties with liquid medication. Provided there were no such issues, and the administration time was correct, the nurse would not have violated the five rights. So, option C) 'The nurse did not violate the five rights' is accurate.
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What is the disorder that results from the presence of an extra X chromosome that produces underdeveloped genitals, extreme height, and enlarged breasts?
Answers
Answer:
autism
Explanation:
autism is caused by extra chromosomes or more than 46
The following equation represents photosynthesis:
[A] + Water + Sunlight --> [B] + Oxygen
Which missing components are A and B supposed to be?
Answer in a complete sentence
Answers
Answer: A is Carbon dioxide while B is sugar (glucose)
Explanation: Durning photosynthesis in green plant the energy from the sun is captured and then convert carbon dioxide water and mineral into oxygen and glucose (energy rich organic compound )
PATIENT: Tom Smith DATE OF SERVICE: 9/10/XX
BLOOD PRESSURE: 140/90 WEIGHT: 164 PULSE: Rapid TEMPERATURE: 100
Tom was seen today at the request of his wife for what she suspects is a recurrence of his cocaine dependence.
On physical examination, the following was noted:
EARS, EYES, NOSE, AND THROAT: Pupils are dilated.
HEART: Heart rate is increased; blood pressure is 140/90.
ABDOMEN: Soft, nontender, no abnormal masses
PSYCHIATRIC: Oriented to time and place. Patient is very talkative and admits to not eating for the last 36 hours with no sleep for the last 48 hours. The lack of sleep is cocaine induced. Patient admits to using cocaine over the last month and recent days.
Referral made for inpatient treatment.
ICD-10-CM Code Assignment.......x..........
Answers
The 2020 ICD-10-CM diagnosis code for cocaine abuse is F14.10
Explanation:
ICD code F01-F99 refers to mental, behavioral, and neuro-developmental disorders.
ICD code F14 stands for cocaine related disorders and F14.1 indicates cocaine abuse.
Cocaine is an addictive illicit drug and abuse effect the body and causes both physical and psychological symptoms.
Short-term signs or effects due to cocaine abuse includes dilated pupils, body temperature, erratic or rapid pulse, high blood pressure and increased heart rate, increased respiratory rate, dilated pupils, lack of appetite and sleep, hyperstimulation with erratic or violent behavior, panic, psychosis etc. Based on the patient’s symptoms and vital signs, the patient’s diagnosis would be cocaine abuse.
Answer:
F14.892
Explanation:
Bacillus anthraciscauses the deadly disease anthrax. Organisms of the genus Bacillus may form endospores. This bacterium would be suitable for biological warfare because endospores __________.
Answers
Answer: Resistant to high temperatures, UV light, and desiccation
Explanation:
This bacterium would be suitable for biological warfare because endospores are resistant to high temperatures, ultraviolet light, and desiccation. An endospore is a dormant, tough, non-reproductive structure produced by a small number of bacteria from the Firmicute family. The primary function of most endospores is to ensure the survival of a bacterium through periods of environmental stress.They are therefore resistant to ultraviolet and gamma radiation, desiccation, lysozyme, temperature, starvation, and chemical disinfectants. Endospores are commonly found in soil and water, where they may survive for long periods of time.
In the classical conditioning experiment by Robert Rescorla that involved two groups of rats, one group of rats heard a tone just before each of 20 shocks. The second group of rats experienced the same 20 tone-shock pairings, but also experienced an additional 20 shocks that were not paired with a tone. How did the two groups differ?
Answers
Answer:
Rats in the first group will produce a strong stimulus i.e fear of shock towards the tone as compared to the rats in the second group.
Explanation:
Rats in the first group were conditioned to sense the fear with the tone played just before each shock while on the other hand rats in the second group will be exposed to both unconditioned (without tone) and conditioned (with tone) shock treatment.
Therefore, the rats in the first group will produce a strong stimulus i.e fear of shock towards the tone (as they hear it) as compared to the rats in the second group.
In Robert Rescorla's experiment, one group of rats which heard a tone before each shock learned to strongly associate the tone with the shock, while the second group that received additional unpaired shocks did not form as strong an association, highlighting the role of predictability in classical conditioning.
Explanation:In the classical conditioning experiment by Robert Rescorla, there were two groups of rats subjected to different conditioning experiences. The first group of rats heard a tone just before each of 20 shocks (tone-shock pairings). This group learned to associate the tone with the imminent shock. On the other hand, the second group received the same 20 tone-shock pairings but also experienced 20 additional shocks without the tone. The critical difference between the groups was that the first group showed a stronger association between the tone and the shock because the tone was a reliable predictor of the shock.
In contrast, the second group showed a weaker association because the tone was not as reliable—shocks occurred without the tone as well. This difference in the conditioned response between the groups demonstrates the importance of predictability in classical conditioning, a concept established by Rescorla that challenged the simple notion of temporal contiguity endorsed by Pavlov.
A graduate student finds an organism in a pond and thinks it is a freshwater sponge. A postdoctoral student thinks it looks more like an aquatic fungus. How can they decide whether it is an animal or a fungus?
A) See if it reproduces sexually.
B) Determine whether it is unicellular or multicellular.
C) Look for cell walls under a microscope.
D) See if it is a eukaryote or prokaryote.
Answers
Answer:
C) Look for cell walls under a microscope.
Explanation:
It can be decided wheter it is an animal or a fungus by looking for cell walls under microscope.
As the animal cells lack cell wall ( outer membrane is just the cell membrane ) while the fungal cells contain a proper cell wall (surrounding their cell membrane )containing chitin.
Hence C) Look for cell walls under a microscope is the right option.
As both the cells reproduce sexually , option A is excluded.
Both the animal and the fungal cells are multicellular , option B is also excluded.
Both of these organisms are eukaryotes , hence option D is also excluded.
In countries where automobile insurance includes compensation for whiplash injuries sustained in automobile accidents, reports of having suffered such injuries are twice as frequent as they are in countries where whiplash is not covered. Some commentators have argued, correctly, that since there is presently no objective test for whiplash, spurious reports of whiplash injuries cannot be readily identified. These commentators are, however, wrong to draw the further conclusion that in the countries with the higher rates of reported whiplash injuries, half of the reported cases are spurious: clearly, in countries where automobile insurance does not include compensation for whiplash, people often have little incentive to report whiplash injuries that they actually have suffered.
Answers
Answer:
The options
In the argument given, the two boldfaced portions play which of the following roles?
(A) The first is a claim that the argument disputes; the second is a conclusion that has been based on that claim.
(B) The first is a claim that has been used to support a conclusion that the argument accepts; the second is that conclusion.
(C) The first is evidence that has been used to support a conclusion for which the argument provides further evidence; the second is the main conclusion of the argument.
(D) The first is a finding whose implications are at issue in the argument; the second is a claim presented in order to argue against deriving certain implications from that finding.
(E) The first is a finding whose accuracy is evaluated in the argument; the second is evidence presented to establish that the finding is accurate.
The CORRECT ANSWER IS (D)
Explanation:
"In countries where automobile insurance includes compensation for whiplash injuries sustained in automobile accidents, reports of having suffered such injuries are twice as frequent as they are in countries where whiplash is not covered." - a fact.
It examine countries where whiplash injuries are taken care of in automobile insurance with countries where whiplash injuries are not taken care of under automobile insurance. The first group of countries have double the reports of whiplash injuries when viewed against the other group of countries.
"Presently; no objective test for whiplash exists," - A fact.
Spurious reports of whiplash injuries is not easy to be identified. - This is an idea of the author. He believes that spurious reports of whiplash injuries pose some difficulties in identification. Let's have a closer look to the words used here. Despite the fact that no indiviual has till now discussed about spurious reports of whiplash injuries, the author has specify this sentence in a form that reflects agreement. Let's hope the coming sentences bring more clarity.
"Nevertheless, these facts do not warrant the conclusion drawn by some commentators that in the countries with the higher rates of reported whiplash injuries, half of the reported cases are spurious." - keyword is 'Nevertheless'.
It shows a different point in direction. Now, go through the statement also with the preceding statement. So, basically, in the preceding statement in view, the author was agreeing to the commentators, who have been pointed to but disagrees on the idea that half of the situations of whiplash injuries are spurious (If you are considering why author sees 'half' the situations, consider the first statement once more, which highlights on double amount of whiplash injuries).
"Clearly, in countries where automobile insurance does not include compensation for whiplash, people often have little incentive to report whiplash injuries that they actually have suffered." - With this statement, the author unites his idea (that it does not reflects on half of the the cases been spurious) with the fact highlighted in the first statement (that there are double the reports of whiplash injuries in countries where it is taken care of under automobile insurance).
How does the author reconciles? He provides another explanation for the fact - he added that the high cases of whiplash injuries in countries where it is taken care of under automobile insurances is due to the reward and compensation they receive on reporting these injuries which is less in other countries without the reward and compensation on reporting these injuries.
So, let's review the option statements:
Option (A).❌
Bold Face (BF)1 it is not the case in the argument.
Option (B).❌
- Note, Bold Face (BF)1 is not a claim but a fact. Secondly, we can pinpoint from our review that BF1 has been employed to backup an explanation (of commentators) which is not the idea in the passage.
Option (C)❌
Just as seen in option B, the role of BF1 is not rightly stated and BF2 cannot serve as the centre conclusion of the argument. Therefore, the Second last statement being the basic conclusion of the argument is wrong.
Option (D).✔✔✔
With the implications being the conclusion stated by the commentators from BF1 as it is the concept of the argument. It is important to note that BF2 provides a another explanation for the finding to oppose the explanation given by commentators as the importance of both BF1 and BF2 are rightly stated.
Option (E).❌
The accuracy of BF1 is not determined in the argument
Agrobacterium infects plants and causes them to form tumors. You determine that tumor formation requires a large amount of the plant's energy for tissue formation. How might this change the number of offspring a plant produces, and what is the most likely explanation for this change?
Answers
The infection of a plant by Agrobacterium can decrease the plant's offspring because energy that would have gone to reproduction is used for tumor formation. This is a result of the energy allocation principle in biology.
Explanation:When Agrobacterium infects a plant and causes it to form tumors, it could lead to a decrease in the number of offspring the plant produces. This decrease could be caused by the fact that substantial energy—which is typically channeled towards activities such as reproduction, growth, and survival—is redirected towards tumor formation.
Plants only have a fixed amount of energy they can expend. Tumor formation is energy-intensive and as a result, fewer resources are available for processes like producing seeds or flowers (plant offspring). This phenomenon can be explained through the principle of energy allocation in biology, which states that organisms have to balance energy distribution amongst various biological functions.
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ATP and glucose are both molecules that organisms use for energy. They are like the tank of a tanker truck that delivers gas to a gas station and the gas tank that holds the fuel for a car. Which molecule is like the tank of the delivery truck, and which is like the gas tank of the car? Explain your answer.
Answers
Pharmaceuticals produced from wild species generate up to $150 billion in sales and save many lives each year. This is an example of __________. Question 21 options: A.drug trafficking B. HMO services C.ecosystem services D. conservation genetics
Answers
Answer: C.ecosystem services
Explanation:
The ecosystem services are the benefits that are received by human kind from the natural environment. These benefits includes the forest ecosystem, aquatic ecosystem and grassland ecosystem.
The chemicals, medicines, food and water are the services that human kind receives from ecosystems. The natural ecosystems are also responsible for controlling the disease, climate and nutrient cycles, aids in the production of oxygen and also aids in maintaining the recreational benefits.
The pharmaceutical products obtain from the wild life are also the sources of ecosystem services.
What change is observed in leukocytes during an allergic disorder (type I hypersensitivity) often caused by asthma, hay fever, and drug reactions?
Answers
Answer:
Increase in eosinophils.
Explanation:
The leukocytes are the white blood cell that plays an important role in the immune system. The white blood cell include eosinophil, basophil, neutrophil and monocytes.
The allergic reactions that are caused by hay fever or asthma is marked by the excess increase in the number of eosinophils in the body. The eosinophils are the first to reach at the site of parasitic infections and protect the body during the allergic reactions.
Thus, the answer is eosinophils.
The word systems in dynamic systems refers to: a. each child is a well-integrated system with many subsystems. b. each child's subsystems operate discretely. c. each child is just one system. d. children's systems are disorganized and sometimes work against each other.
Answers
Answer:
The correct option is A) Each child is a well-integrated system with many subsystems.
Explanation:
Dynamic System Theory can be described as a motor development theory which doctors can use to treat patients with Cerebral Palsy.
The main idea of this theory is that multiple sub-systems are involved for the movement of a person. All of these sub-systems interact is specific ways to cause specific kinds of movements. It described that each child comprises of specific sub systems which make up the child.
Cartilage is a type of connective tissue that _____.
a. makes up the bulk of most vertebrate skeletons
b. provides rigid support and attachment site for muscles
c. supports soft tissues, cushions bone ends at joints, and provides a low-friction surface for joint movements
d. protects internal organs, stores minerals, and produces blood cells
e. consists of plasma, red blood cells, white blood cells, and platelets
Answers
Answer:
I believe that the answer is c.
Explanation:
car·ti·lage
/ˈkärdlij/
noun
firm, whitish, flexible connective tissue found in various forms in the larynx and respiratory tract, in structures such as the external ear, and in the articulating surfaces of joints. It is more widespread in the infant skeleton, being replaced by bone during growth.
Cartilage is a type of connective tissue that provides support, cushions joints and allows for a low-friction surface for movement. It is composed of chondrocytes that produce a matrix and different types of fibers, with different forms of cartilage-like hyaline, fibrocartilage, and elastic cartilage offering varying degrees of support and flexibility. So the correct option is c.
Explanation:Cartilage is a type of connective tissue that supports soft tissues, cushions bone ends at joints and provides a low-friction surface for joint movements. This dense connective tissue is made of tough protein fibers and is strong yet flexible, offering smooth areas over which bones at joints can move. It is also an essential component of the skeletal system, which includes not just bones, but also ligaments that hold bones together and cartilage that provides structure and ease of movement where flexibility is needed.
Within cartilage tissue, chondrocytes produce the matrix and fibers that give cartilage its strength and flexibility. Types of cartilage include hyaline cartilage, which provides strong and flexible support, fibrocartilage which can absorb pressure, and elastic cartilage which provides firm but elastic support.
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A researcher is studying a S. cerevisiae strain with the genotype: MATa ura3-delta2 leu2 his3::URA3 The researcher plates cells from this strain on the nutrient plates containing the synthetic medium YC or on plates containing various dropout formulations. The dropout plates are missing one of the ingredients found in complete YC media. Which plates should the researcher expect to not support growth of the strain? (Check all the apply.)a) YC
b) YC lacking histidine
c) YC lacking uracil
d) YC lacking leucine
Answers
Answer:
hhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhh
Explanation:
Final answer:
The researcher should expect the strain to not grow on the plates that are missing the his3, ura3, and leu2 genes.
Explanation:
The researcher should expect the strain to not grow on the plates that are missing the ingredients necessary for its growth. In this case, the strain is missing the his3, ura3, and leu2 genes. Therefore, the plates that the researcher should expect to not support growth of the strain are:
YC lacking histidine
YC lacking uracil
YC lacking leucine
______ can form in the body during respiration, and are chemically reactive, which means that they can chemically modify (and thus render useless) other biological molecules.
Answers
Answer:
Peroxides
Explanation:
Peroxides are group of compounds that have the structure R-O-O-R. Peroxides have two oxygen atoms linked together by single covalent bond.
Hydrogen peroxide is most common peroxide and toxic byproduct of respiration. Hydrogen peroxide is involved in producing oxidative stress and thus producing damage to cellular components.
Peroxidases are enzymes that are found in wide range of organisms from bacteria to plants and animals. Most of these enzymes breakdown invloved in breakdown of hydrogen peroxide. Peroxidases act as antioxidant to reduce oxidative stress by cleavenging hydrogen peroxide radicles.
The process of angiogenesis is where: a. Two of these are correct. b. Is a critical component or requirement for wound healing to take place. c. All of these are correct. d. Existing blood vessels give rise or sprout to form new blood vessels. e. Blood vessels regress or are removed from a tissue.
Answers
Answer:
a. Two of these are correct.
Explanation:
The two correct options are
b. Is a critical component or requirement for wound healing to take place
d. Existing blood vessels give rise or sprout to form new blood vessels
Angiogenesis is the physiological means in which new blood vessels form pre-existing vessels, developed in the starting phases of vasculogenesis. Angiogenesis is a usual and important process in growth and development, wound healing and in the development of granulation tissue.
The growth and maturation of blood vessels is a largely regulated multistep mechanism called angiogenesis.
Why is bulk flow a necessary condition of complex multicellularity?
a. Organisms exhibiting complex multicellularity are large and have cells/tissues that are not in contact with their environment.
b. Systems that can overcome the limits of diffusion must evolve for basic physiologic processes to occur.
c. Complex multicellularity is related to the increase in oxygen in the environment.
d. Because bulk flow systems are only related to the delivery of oxygen to tissues, higher environmental oxygen selected for individuals with bulk flow systems.
e. Bulk flow is necessary to move large amounts of liquid through the organism, depending on physiologic needs.
f. The tissues can all receive necessary nutrients from the environment, but bulk flow speeds the rate of diffusion.
g. Complex multicellularity reflects cell adhesion between cells, and this cannot happen without bulk flow of signaling molecules from the environment.
Answers
Answer:
Answer: A and B.
Explanation:
Bulk flow can be described or explained as the movement of molecules or fluids through organisms, i.e plants and animals due to pressure differences. It can also be explained as the combined movement of water and solute due to pressure gradients.
Examples of bulk flow include , the movement of phloem sap in plant, circulatory system in animals.
The importance of bulk flow is that, it makes the movement of molecules possible at the pressure gradient that is beyond that of diffusion.
Note that, bulk flow is also known as the mass transfer or mass flow.
Final answer:
Bulk flow is essential in complex multicellularity to overcome the limitations of diffusion in transporting nutrients, gases, and wastes throughout large organisms with specialized cells and tissues.
Explanation:
The necessity of bulk flow in complex multicellular organisms arises from their size and complexity. As organisms grow larger and more complex, with specialized cells and tissues, the limitations of diffusion alone become apparent. These organisms develop systems such as the circulatory and respiratory systems, which are capable of moving nutrients, gases, and wastes efficiently throughout the body, overcoming the inefficiencies of diffusion over long distances. The correct answer to the question involves recognizing the importance of systems that can overcome the limits of diffusion for basic physiological processes (Option b) as well as acknowledging that complex multicellular organisms have cells and tissues not in direct contact with their environment (Option a).
In the human brain the basal ganglia, limbic system, and olfactory bulbs are considered part of the: A. metencephalon. B. diencephalon. C. telencephalon. D. mesencephalon.
Answers
Answer:
C. Telencephalon.
Explanation:
Telencephalon which is also called the cerebrum is the uppermost part of the central nervous system, it is also the largest part of the human brain containing the cerebral cortex and subcortical structures which includes the basal ganglia, limbic system and the olfactory bulbs.
The basal ganglia is a group of subcortical nuclei that is responsible for motor learning, motor control and behaviors. The limbic system is a system that controls our physical and emotional responses to environmental stimuli and it includes thalamus, amygdala, hypothalamus and hippocampus. The olfactory bulbs is a neural structure located in the forebrain that is responsible for the detection of smell by cells in the nasal cavity.
The basal ganglia, limbic system, and olfactory bulbs are components of the telencephalon in the human brain. C. telencephalon Therefore , C. telencephalon is correct .
Basal Ganglia:
The basal ganglia are a set of nuclei in the brain involved primarily in motor control, regulation of voluntary motor movements, emotional control, procedural learning, and cognition. Disorders related to the basal ganglia can result in movement disorders like Parkinson's disease and Huntington's disease.
Limbic System:
The limbic system is a complex network of interconnected brain structures involved in emotions, motivation, memory, learning, and various other cognitive functions. It includes the amygdala, hippocampus, hypothalamus, and parts of the thalamus. It plays a crucial role in regulating emotions and behaviors.
Olfactory Bulbs:
The olfactory bulbs are specialized structures in the forebrain related to the sense of smell (olfaction). They receive sensory input from olfactory receptors in the nasal cavity and transmit this information to other brain regions for processing and interpretation.
Classification of Brain Regions:
In terms of brain development and classification:
Telencephalon: The basal ganglia and olfactory bulbs are part of the telencephalon, which is the anterior division of the forebrain. It contributes to the cerebral hemispheres and is involved in various complex functions, including sensory perception, motor control, and cognition.
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Life as we know it depends on the genetic code: a set of codons, each made up of three bases in a DNA sequence and corresponding mRNA sequence, that specifies which of the 20 amino acids will be added to the protein during translation.Imagine that a prokaryote-like organism has been discovered in the polar ice on Mars. Interestingly, these Martian organisms use the same DNA → RNA → protein system as life on Earth, except that______
Answers
Answer:
In the most general case of x bases and y bases per codon, the total number of possible codons is equal to xy . In the case of the hypothetical Martian life-forms, is the minimum codon length needed to specify 17 amino acids is 5 (25 = 32), with some redundancy (meaning that more than one codon could code for the same amino acid). For life on Earth, x = 4 and y = 3; thus the number of codons is 43, or 64. Because there are only 20 amino acids, there is a lot of redundancy in the code (there are several codons for each amino acid).
Explanation:
Final answer:
The genetic code is how nucleotides are translated into proteins through grouping into triplet codons. Each codon specifies one of the 20 amino acids or signals the end of protein synthesis. The student's question lacks full information on how the Martian genetic code differs from Earth's.
Explanation:
The Genetic Code and Proteins
The genetic code is fundamental to all life forms, as it determines how the sequences of nucleotides in DNA and RNA are translated into proteins. During this process of translation, messenger RNA (mRNA) is decoded to synthesize proteins which involves grouping the four different bases (adenine (A), cytosine (C), guanine (G), and uracil (U) in RNA) into triplet codons. Each codon specifies an amino acid, leading to a chain that folds into a functional protein. The genetic code is made up of 64 codons, with 61 coding for the 20 standard amino acids and the remaining three representing stop signals that signal the end of protein synthesis.
As per your question, the genetic code on Earth and Mars is generally similar, with each triplet codon corresponding to a specific amino acid; however, you have not given the full information on how exactly the Martian genetic code differs from the one on Earth. If you can provide that additional detail, we can further discuss the implications of these differences and their potential impact on the Martian life forms discovered.
What is now considered to be a preferred nucleus appearance discriminator between myelocytes and metamyelocytes instead of the degree of indentation of the nucleus?
Answers
Answer:
Nuclear chromatin clumping is increased in the metamyelocytes, nuclei disappears and granules are mostly secondary
Explanation:
Metamyelocyte is the cell that is undergoing granulopoiesis and is derivative of a myelocyte. It is characterized by the bent nucleus type of appearance, cytoplasm consists of the cytoplasmic granules and visible type of nucleoli are absent. Myelocytes are the cells occurring in a bone marrow; cells with cytoplasmic granules which that produces granulocytes of the blood. It doesnot occur normally in the blood as in leukaemia.
True or false? Large proteins containing a nuclear localization signal (NLS) bind to the nuclear pore and enter the nucleus without any expenditure of energy.
Answers
Answer: False
Explanation:
The nuclear localization signal (NLS) can be defined as an amino acid sequence which tags the protein to import into the nucleus by the help of nuclear transport.
It contains one or more short sequences of positively charge arginine or lysines which is exposed to the protein surface.
It has the opposite function of the nuclear export signals whose function to move the proteins out of the nucleus.
The statement is false. Proteins with a nuclear localization signal (NLS) require energy to enter the nucleus.
Explanation:The statement is false. Large proteins containing a nuclear localization signal (NLS) do require energy to enter the nucleus. The nuclear pore complex acts like a gatekeeper and regulates the transport of molecules in and out of the nucleus. Proteins with an NLS must bind to specific receptors on the nuclear pore complex, and energy is needed to fuel this binding and translocation process.
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What area of water serves as nursery grounds for many species of marine fishes and invertebrates?
a. Limnetic areas
b. Pelagic zones
c. Estuaries
d. Benthic zones
e. Photic zones
Answers
Answer:
c
Explanation:
b/c Estuaries and their wetland. it depends on the fish species, spawing occurs in the river etc...
GOODLUCK
What is the lac operon in E. coli a classic example of?
Question 11 options:
gene expression occurring at transcription
antibiotics blocking protein synthesis.
gene expression leading to DNA mutations
gene expression occurring by changing protein shape
Answers
Lac operon in E. coli is a classic example of Gene expression occurring at transcription
Explanation:
A lac operon is a type of bacterial operon which is a cluster of co-regulated genes. In order to adapt to environmental changes, the related genes are grouped in an operon.
When lactose is absent, the E. coli bacteria group related genes and produce enzymes (lacZ, lacY, lacA) which help in lactose metabolism to encode the unexpressed lactose.
Structural genes that specifically code for amino acids are called gene expressions. This takes place at two levels – transcription and translation.
Lac operon operation involves promoter, operator, CAP-binding site sequences. The gene group binds with the promoter and is transcribed as a single mRNA.
Answer:
A
Explanation:
Biologists recently discovered that black wolves got their coat color from exchanging genes with dogs. This is an example of
a. gene flow
b.an adaptation
c.genetic drift
d. a founder effect
e. gene pools
Answers
Using the theories of genes, we find that gene flow is the example of the discovery in which black wolves got their coat color from exchanging genes with dogs.
In biology, actually word gene can have several different meanings. The Mendelian gene is the basic unit of heredity and the molecular gene is a sequence of nucleotides in the DNA that is transcribed to produce a functional RNA. There are basically two types of molecular genes: protein-coding genes and noncoding genes.
During the gene expression, the DNA is first copied into RNA. The RNA can be directly functional or be intermediate template for a protein that performs a function. The transmission of the genes to an organism's offspring is the basis of the inheritance of the phenotypic traits. These genes make up different DNA sequences called the genotypes.
Hence, discovery by biologists that black wolves got their coat color from exchanging genes with dogs is an example of gene flow.
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Why are these organisms not classified as bacteria?
Answers
Why are amoeba, paramecium, and euglena not classified as bacteria?
Answer:They are eukaryotic cells.
Explanation:The bacteria is classified under the kingdom Monera of the 5 kingdom classification where the prokaryotic organisms like bacteria and blue green algae lives. These cells lack mitochondria or any membrane bound organelles inside their cells, lack nucleus, 80s ribosomes and golgi bodies etc. They have diferent cellular structure than the eukaryotic ones.
Whereas the amoeba, paramecium, and euglena, although unicellular are under the kingdom Protista where eukaryotic organisms live. They contains well defined nucleus, membrane bound organelles, mitochondria etc. Amoeba are protozoa, and euglena is autotroph in nature.
So they aren't called as bacteria.
Answer:
Unlike bacteria, the organisms shown are eukaryotic cells and contain a nucleus, mitochondria, and membrane bound organelles.
"The drug naloxone can be used to counter the effects" of a heroin overdose by binding to opioid receptors and preventing heroin from binding to them. In this example, naloxone is an ___________________ at opioid receptors and heroin is an _______________________ at opioid receptors.
Answers
Answer:
Naloxone is an antagonist at opioid receptors and heroin is an agonist at opioid receptors
Explanation:
An agonist is a substance that binds to a receptor and causes a biological reaction. In this case, heroine binds to opioid receptors. An antagonist blocks the reaction from the agonist, impeding the receptor's activation. Agonists and antagonists work for specific receptors, and for an antagonist to block an agonist they must bind to the same receptor, like naloxone does with heroin. Giving an antagonist that binds to one receptor and and agonist that binds to a different one means that the antagonist will have no effect.
A generalist is a species that a. Occupies a large habitat range b. Occupies a variety of ecological niches c. Can't reproduce under highly variable conditions d. Can reproduce only under specific conditions
Answers
Answer: A generalist is a species that occupies a variety of ecology niches.
Explanation:
David's wife wakes him from a peaceful slumber to tell him that she heard a noise. As he slowly gets up to investigate, his heart begins to race, his mouth is dry, and he begins to sweat. Clearly, David's _____________ has been activated.
Answers
Answer: Sympathetic Nervous System.
Explanation:
The sympathetic nervous system is part of the autonomic nervous system. The sympathetic nervous system activates what is often termed the fight or flight response. The sympathetic nervous system directs the body's rapid involuntary response to dangerous or stressful situations. A flash flood of hormones boosts the body's alertness and heart rate, sending extra blood to the muscles. Breathing quickens, delivering fresh oxygen to the brain, and an infusion of glucose is shot into the bloodstream for a quick energy boost. The sympathetic nervous system allows animals to make quick internal adjustments and react without having to think about it.
Final answer:
David's autonomic nervous system is activated, triggering the fight-or-flight response, which is controlled by the sympathetic nervous system and responsible for the physiological changes he experiences.
Explanation:
Clearly, David's autonomic nervous system has been activated. In situations of stress or perceived danger, the body responds through the fight-or-flight response, enabling an individual to prepare to either defend themselves or escape the threat.
The sympathetic nervous system, a part of the autonomic nervous system, is responsible for these physiological reactions, such as increased heart rate, dilated pupils, heavy breathing, and perspiration.
This activation prepares the muscles for quick action, enhances sensory perceptions, and accelerates the heart rate to pump blood efficiently to vital organs and muscles, providing the energy and oxygen required for a rapid response.