Which condition would most likely result in a human body being unable to defend itself against pathogens and cancerous cells?
A) a genetic tendency toward a disorder such as diabetes
B) a parasitic infestation of ringworm on the body
C) the production of antibodies in response to an infection in the body
D) the presence in the body of the virus that causes AIDS
Answer:
d. the presence in the body of the virus that causes AIDS
Final answer:
The (option D) presence of the virus that causes AIDS (HIV) in the body would most likely lead to an inability to defend against pathogens and cancerous cells, due to the destruction of helper T cells and the resulting compromised immune system.
Explanation:
The condition that would most likely result in a human body being unable to defend itself against pathogens and cancerous cells is D) the presence in the body of the virus that causes AIDS. HIV, which causes AIDS, infects and destroys helper T cells. As a result, the immune system becomes severely compromised, leading to an inability to effectively combat infections and cancers. In contrast, conditions like a genetic tendency toward a disorder such as diabetes, a parasitic infestation of ringworm, and the production of antibodies in response to an infection typically do not result in widespread immune system failure.
describe 4 ways that drugs influence the nervous system
Final answer:
Drugs affect the nervous system by acting as agonists to enhance neurotransmitter activity, as antagonists to decrease it, by mimicking or interfering with the natural neurotransmitters' effects, and by affecting the sympathetic or parasympathetic systems.
Explanation:
Drugs can influence the nervous system in various ways, generally by impacting the transmission of nerve impulses within the brain. Here are four ways that drugs can affect the nervous system:
Agonist Effects: Drugs can act as agonists, enhancing the activity of certain neurotransmitters. For example, stimulants like amphetamines increase dopamine activity, leading to elevated mood and alertness.Antagonist Effects: Some drugs act as antagonists, decreasing neurotransmitter activity. Antagonists can help to balance neurotransmitter levels in conditions where there is an excess of certain neurotransmitters.Sympathomimetic and Sympatholytic Effects: Drugs like sympathomimetics increase the sympathetic system response, potentially causing heightened alertness and energy. In contrast, sympatholytics dampen this response.Mimicry of Endogenous Substances: Certain drugs imitate natural neurotransmitters in the body, tricking the brain and causing it to respond as it would to the neurotransmitter. Opiates are an example, as they mimic endogenous opioids, reducing pain perception.Whether therapeutic or recreational, the misuse of psychoactive drugs can lead to a substance use disorder, characterized by dependence on the substance despite its negative consequences.
how would you describe the relationship between potential energy and kinetic energy? Why does this relationship occur?
Answer:
Potential energy can be described as the energy possessed by an object by virtue of its position. It can be described as the energy possessed by an object which is at rest.
Kinetic energy can be described as the energy possessed by an object by virtue of its state of movement. In simpler words, it is the energy possessed by a moving object.
The potential energy in an object is converted into kinetic energy when any work has to be done by the object. This relationship occurs because one form of energy can be converted into another form of energy.
Answer:
The total energy of the skater is the sum of his potential energy and kinetic energy. As potential energy decreases, kinetic energy increases, and vice versa. This occurs because kinetic energy is the energy of motion and potential energy is stored energy.
Explanation:
Plato answer
The photograph shows a community. Which term best describes the
community shown?
A. Suburban
B. Mountainous
O
C. Metropolitan
D. Agricultural
Which type of molecule that can be found in living things lacks carbon atoms?
Answer: Water.
Explanation: Water is a major constituent of all living organisms. The chemical formula of water is H2O, having two molecules of hydrogen (H) and one molecule of oxygen (O). Unlike other biological macromolecules found in living things such as carbohydrates, lipids and proteins which have carbon as their basic unit, water does not contain any carbon atom.
match each characteristic to the type of protist it describes
Explanation:
PLANT-LIKE:
presence of flagella
shows absence of cell wall, though chloroplast may be present
ANIMAL-LIKE:
slime mold belongs in this category
absence of cell wall, as well as chloroplast
FUNGUS-LIKE:
feeds on decaying matter enclosed by a membrane called a pellicle.
What is the difference between a polynucleotide chain and a polypeptide chain
A polynucleotide chain is a sequence of nucleotides that forms the basis of DNA and RNA, while a polypeptide chain is a sequence of amino acids that subsequently fold into complex structures to form proteins with various shapes and functions.
Explanation:A polynucleotide chain and a polypeptide chain are both crucial components of biological molecules, yet they differ significantly in their makeup and function. The polynucleotide chain is composed of a series of nucleotides, which include a phosphate backbone and nitrogenous bases such as purines and pyrimidines. This structure forms the basis for DNA and RNA. Some nucleotides combine in a 5'-3' phosphodiester bond, creating a polynucleotide with a free 5' phosphate at one end and a free 3'-OH at the other.
On the other hand, a polypeptide chain consists of a sequence of amino acids connected by peptide bonds. This sequence, referred to as the primary structure, then forms further complex structures like alpha-helices and beta-pleated sheets, which result in unique shapes and functions of proteins. An example is the insulin hormone with two distinct polypeptide chains, A and B. Changes in the primary structure can result in alterations in the protein's structure and function, as seen in sickle cell anemia.
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The results of gel electrophoresis are shown below. What can you determine
about the DNA from looking at the results of this test?
electrode
| 11 ||
III|||
||II|||II
O
A. Strand 1 is larger than strand 4.
O
B. Strand 2 is smaller than strand 3.
O
C. Strand 2 is larger than strand 4.
O
D. Strand 4 is the smallest.
Answer:
B strand 2 is smaller than strand 3
Explanation:
Answer:
B
Explanation:
I just took the quiz
What is a vestigial structure? A. A structure that has no use in the organism B. A structure with similar shape but a different use C. A structure that is only in index fossils D. A structure that contains isotopes !!!!apex!!!!!
Answer: A, a structure that has no use in the organism
Explanation:
A vestigial structure is an anatomical feature that no longer seems to have a purpose in the current form of an organism of the given species.
A vestigial structure refers to option A, "A structure that has no use in the organism."
Vestigial structures are remnants of anatomical features that were functional in the ancestors of a particular organism but have lost their original function in the present-day organism. These structures may have had a purpose in the past, but due to evolutionary changes, they no longer serve any significant function.
Vestigial structures can be observed in various organisms, and they are often considered as evidence for evolution, highlighting the idea that organisms have inherited traits from their ancestors that may no longer be necessary or useful in their current environment.
Hence the correct option is A.
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Question 14 of 25
2 Points
Which of these choices is an example of a common?
O
O
O
O
A. A backyard
B. A farmyard
c. A city park
D. A private pond
SUBMIT
A city park
Explanation:
The properties which have a single ownership or the one for which a particular individual or family is liable is called a private property. These are not accessible by everyone in the society except by the permission of the owner.
The properties that belong to the government and each and every person in the society have equal rights over it is called a public or common property. Usually these services or places can be accessed by every person .
Among the given examples, A backyard, a farm yard and a private pond are examples of private property But a city park can be visited by anyone in the society so it is an example of common.
“Thank you, Ma’am” Identify 2 examples of indirect characterization for both Ms. Jones and Roger.
Answer: you and maam
Explanation:
it doesnt say the names
Answer:
option C, nothign to do here
Please help
Dominant or recessive
And what is Ann’s genotype?
a. alkaptonuria appears to be caused by a recessive allele.
b. Ann's genotype is homozygous recessive (aa), meaning she inherited two copies of the recessive allele for alkaptonuria from her carrier parents.
a. Based on the pedigree, alkaptonuria appears to be caused by a recessive allele. This is because affected individuals are represented by colored circles and squares, indicating that they have the disorder. In a recessive inheritance pattern, individuals need to inherit two copies of the recessive allele (one from each parent) in order to have the disorder. If the disorder was caused by a dominant allele, only one copy of the allele would be needed for an individual to be affected.
b. To determine Ann's genotype, we need to analyze the information provided in the pedigree. Ann is represented by a colored square, indicating that she is affected by alkaptonuria. Since alkaptonuria is caused by a recessive allele, Ann must have inherited two copies of the recessive allele (one from each parent) in order to be affected.
Since Ann's parents are not affected (unaffected individuals are represented by empty circles and squares), they must be carriers of the recessive allele. A carrier is an individual who has one copy of the recessive allele but does not show any symptoms of the disorder. When two carriers have a child, there is a 25% chance for the child to be unaffected, a 50% chance for the child to be a carrier, and a 25% chance for the child to be affected.
Therefore, Ann's genotype is homozygous recessive (aa), meaning she inherited two copies of the recessive allele for alkaptonuria from her carrier parents.
I'LL GIVE YOU BRAINLEST FOR THE BEST ANSWER!
Which choice tells how energy is transferred between the atmosphere and hydrosphere?
runoff and condensation
evaporation and runoff
precipitation and evaporation
condensation and evaporation
Answer:
condensation and evaporation
Explanation:
Change of state is a factor in the processes of condensation and evaporation. Evaporation refers to the transition of a substance from a liquid to a gas. Condensation describes the transition from a gas to a liquid form. They occur when molecules receive or lose energy. Heat is a form of this energy.
please help fast!
The scientific method is the process that scientists use to find out new information. It involves a question, a hypothesis, a prediction, collecting data, and analyzing that data to make a conclusion. How would you use the scientific method to answer this question: Do pumpkins grow bigger when fed milk? (Use each of the steps of the scientific method in your answer.)
State one scientific question.
State one nonscientific question.
The calcium present in the milk acts as a fertilizer, for the growth of pumpkin size.
Explanation:
Scientific answer: Milk contains nutrients, minerals mainly calcium which are good for the growth of the plant as a fertilizer.
Milk gets readily absorbed by the roots due to the solubility of nutrients in milk.
The root hairs of the plant transport the calcium to the other parts like stem.
This will only help when all other factors of plant growth are present as sunlight, water other than fertilizer.
Non-scientific question:
The Hypothesis here is those pumpkin plant fed with milk are bigger on size.
Also injecting stems with milk would cause no good.
Pumpkin plants fed with milk and some plants fed with water are compared, we get the result that giant pumpkins are one that are fed with milk. This is statistical analysis.
To apply the scientific method to the question of pumpkin growth with milk, one would form a hypothesis based on research, conduct an experiment with controlled variables, collect and analyze data, then draw a conclusion. A scientific question could ask about the effect of milk's calcium on pumpkin growth, while a nonscientific question might inquire about taste preferences for such pumpkins.
Explanation:Applying the Scientific Method to Study Pumpkin GrowthUsing the scientific method to determine if pumpkins grow bigger when fed milk would involve several steps. First, an observation must be made, which in this case, might stem from the anecdotal evidence that soil enriched with milk could enhance plant growth. This leads to the question: "Do pumpkins grow bigger when fed with milk compared to water?" A thorough literature review should be conducted to see if previous research can inform the hypothesis.
Next, a hypothesis is formed, which is an educated guess based on the research. For example, the hypothesis could be "Pumpkins fed with milk will grow larger than those fed with water due to the additional nutrients found in milk." We then make a prediction that is testable through experimentation, such as "If pumpkins are fed milk over a growing season, they will gain more mass compared to those fed just water."
Sheep would then be cared for in a controlled way for a period of time, with one group receiving milk as a part of their feeding regimen and another group only receiving water. Data on pumpkin size, weight, and overall health could be collected throughout the growing period.
Once the data is collected, it is analyzed statistically to determine if there is a significant difference between the two groups. Finally, a conclusion is drawn, which either supports or refutes the hypothesis, leading to further questions and research in a cyclical pattern of scientific investigation.
A scientific question related to this experiment could be "Does the calcium content in milk contribute to the increased growth of pumpkins?" A nonscientific question could be "Do people prefer the taste of pumpkins that have been fed milk?" The former relates to measurable scientific phenomena while the latter relates to subjective personal preference.
help please!
Which of the following are true of the transfer of thermal energy in the oceans? Select the three correct answers.
A): Energy is absorbed more than radiated near the poles.
B): Energy is radiated more than absorbed near the poles.
C): Energy is radiated more than absorbed near the equator.
D): Energy is absorbed more than radiated near the equator.
E): Energy is carried from the equator to poles in surface currents.
F): Energy is carried from the equator to poles in deep ocean currents.
Answer:
1. energy is absorbed more than radiated near the equator
2. energy is carried from the equator to poles in surface currents
3. energy is radiated more than absorbed near the poles
Explanation:
Thermal energy in the oceans is absorbed more than radiated near the equator, radiated more than absorbed near the poles, and is carried from the equator towards the poles through surface currents.
Explanation:The transfer of thermal energy in the oceans is a complex process influenced by various factors such as sunlight intensity, ocean currents, and latitude.
The correct answers to the question are:
B: Energy is radiated more than absorbed near the poles.D: Energy is absorbed more than radiated near the equator.E: Energy is carried from the equator to poles in surface currents.Near the polar regions, the angle of the sunlight is more oblique, reducing the amount of solar energy absorbed. Hence, these regions radiate more energy back into space than they absorb, maintaining their colder temperatures. On the other hand, at the equator, the sunlight hits the Earth's surface more directly, allowing for greater absorption of energy, which is why it is usually warmer. Additionally, ocean surface currents play a significant role in transferring energy from warmer equatorial waters to the cooler polar regions.
A garden is an example of a
Answer:plants
Explanation:in a garden there are plants
a polypeptide contains 103 amino acids, what is the length of the base pairs?
Answer:
309 (+3 for stop codon)
Explanation:
The Genetic code is a scheme of 3 nucleotide base pair codons that code for different amino acids.Each amino acid has a codon of 3 base pairs. Therefore, to calculate the size of the mRNA, we use the formula:Total base pairs = Amino acids * 3B.P = 103* 3 = 309The length of the mRNA that codes for 103 amino acids is 309 base pairs plus a 3 base pair stop codon that terminates translation.
To calculate the length of base pairs for a polypeptide with 103 amino acids, one multiplies the number of amino acids by three as each is encoded by a codon of three nucleotides, resulting in 309 base pairs.
If a polypeptide contains 103 amino acids, determining the length of base pairs in the corresponding DNA sequence involves understanding the genetic code. Each amino acid in a polypeptide is coded by three nucleotides, known collectively as a codon. Therefore, for a polypeptide of 103 amino acids, we would expect 103 codons. Since each codon is composed of 3 nucleotide pairs, the length of base pairs would be 3 times the number of amino acids, giving us a total of 309 nucleotide pairs.
three risks that are associated with genetically engineered plants
Answer:
three risks that are associated with genetically engineered plants?
Three risks involved in genetically engineered plants include;
Resistance
Mutation
Explanation:
Over time plants resist genetically engineered process as a result of exposure to such measure over time which enable such plant to develop resistance over time and pass the traits to their offspring.
Jupiter is a larger and more massive planet than Earth. If we could send a chicken to Jupiter, which statement below accurately describes the mass and relative weight of the chicken.
Question 3 options:
The mass and the weight of the chicken would increase.
The weight of the chicken would increase, but there would be no change in mass.
The mass of the chicken would increase, but its weight would decrease.
The mass of the chicken would change, but there would be no change in weight.
Answer:
it would be the second choice
Explanation:
Weight correlates with gravity. The gravity is different on Jupiter because of its size. Mass won't change at all. It must be option 2 because the rest of them show the mass of the chicken changing.
Lets be real: Who would want to put a chicken on Jupiter? Only crazy people
The weight of the chicken would increase, but its mass would not change if it was sent to Jupiter. Mass is constant, while weight depends on the gravitational pull which is stronger on Jupiter than on Earth.
Explanation:The second statement is the correct one: The weight of the chicken would increase, but there would be no change in mass. The mass of an object, in this case a chicken, is a measure of the amount of matter it contains and stays constant regardless of its location. However, weight is a measure of the force exerted on the object's mass due to gravity. Because Jupiter is a larger planet with a stronger gravitational pull than Earth, the weight of the chicken would increase on Jupiter compared to Earth while its mass remains the same.
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how does mitral valve prolapse decrease cardiac output?
Answer:
When blood abnormally flows backward from the heart ventricle to the left atrium of the heart, the quantity of each chambers will increase. as a result of a major volume of blood is flowing retrograde, forward flow rate decreases despite the left cavum ejection fraction showing traditional.
According to the law of conservation of energy, energy is not created or destroyed. It changes form or is transformed. What energy transformation(s) is/are depicted here?
A) electrical energy ⇒ light energy
B) potential energy ⇒ kinetic energy ⇒ light energy
C) chemical energy ⇒ electrical energy ⇒ light energy
D) chemical energy ⇒ electrical energy ⇒ heat and light energy
2)
Electrical energy is used to turn the blades of a fan. The amount of energy transformed is seen here: 750 J electrical energy is transformed into 400 J kinetic or mechanical energy. What happened to the remaining 350 J of energy?
A) It was lost due to friction.
Eliminate
B) It was transformed into 350 J of heat energy.
C) It was destroyed by the rotating blades of the fan.
D) It was never used and therefore was not transformed
Answer:
I am pretty sure that the answer is A
The energy transformation depicted here is electrical energy ⇒ light energy. The remaining 350 J of energy was transformed into 350 J of heat energy.
What is energy transformation?Energy transformation is defined as the transformation of energy from one form to another. In molecular biology, the concept of transformation has been extensively exploited. Transformed bacteria can be employed as host cells to create multiple copies of the DNA because they are simple to grow in huge numbers.
Efficiency can be shown as an output-to-input ratio. Output, often called work output, is the entire quantity of productive work completed, excluding waste and spoilage. In order to convert efficiency to a percentage, divide the ratio by 100. Energy cannot be created or destroyed, according to the rule of conservation of energy. It can only switch between different energy states.
Thus, the energy transformation depicted here is electrical energy ⇒ light energy. The remaining 350 J of energy was transformed into 350 J of heat energy.
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Before Dobby the house elf became a servant for the Malfoy family, he met Viola. He considered Viola to be the most beautiful
house elf he had ever seen and he fell in love with her large green round eyes. Unfortunately house elves are not allowed to
mamy once they serve a master, and Viola was a servant for the Longbottom family, Draw a punnett square to show the
possible eye shapes their children could have had if they were able to marry. Dobby is homozygous for his large round eyes,
but Viola is heterozygous. (Use the genotypes from above)
a List the possible genotypes and phenotypes for their children
b. What are the chances of a child with round eyes?
out of_
or
a What are the chances of a child with oval eyes?
out of
or
%
Answer:
a)
RR * Rr
RR, RR, Rr, Rr
b) [tex]100[/tex] %
c) [tex]0[/tex] %
Explanation:
Given -
Dobby has large round eyes with homozygous genotype while Viola is heterozygous for the same.
Let us assume that
"R" represents the allele for large round shaped eyes
and "r" represents the allele for other than round shaped eyes
Thus, the genotype for Dobby would be "RR"
and the genotype of Viola would be "Rr"
a)
When Dobby and Viola mate, following offspring are possible
RR * Rr
RR, RR, Rr, Rr
All the offspring will have pehnotypically large round eyes. However, genotypically, half of the total offspring are homozygous for large round eyes and remaining half are heterozygous for large round eyes.
b) [tex]100[/tex] %
Out of [tex]4[/tex] all [tex]4[/tex] will have round eyes.
c) [tex]0[/tex] %
tiny organisms that are made of a single cell
Answer:
A unicellular organism is formed by a single cell. Unicellular organisms are all prokaryotes
Tiny organisms made of a single cell are called unicellular organisms, and include bacteria, plankton, and yeasts. These microscopic organisms perform all necessary life functions within one cell, which can be vastly complex for its size. Unicellular organisms are crucial to understanding the simplest forms of life in biology.
Tiny organisms that are made of a single cell are often referred to as unicellular organisms. These microscopic organisms can only be seen with the help of a microscope and encompass a variety of life forms, including bacteria, plankton, and yeasts. Unicellular organisms are a fundamental part of biology because they are living examples of the simplest form of life, being composed of a single cell that carries out all necessary functions for life.
Contrasting with unicellular organisms are multicellular organisms, which consist of many cells that combine to form tissues and organs, each specialized for different functions. On a simpler level, colonial composition refers to organisms that have multiple cells but no defined tissues or organs. Both mushrooms and yeasts can exist as single-celled organisms, highlighting the diversity within unicellular life forms.
In unicellular organisms, the single cell is the smallest structural and functional unit of the organism. This single cell must perform all functions that support life, differing vastly in complexity compared to multicellular counterparts. Some unicellular organisms, like Paramecium, are eukaryotes, meaning they have a membrane-bound nucleus and organelles within the cell.
What usually happens as more rangeland is converted to urban
developments?
O
A. People invent more-efficient lawn mowers.
0
B. Food costs decrease.
C. People learn to eat less meat.
. The amount of land available for grazing increases.
Answer:
The amount of land available for grazing decreases.
Explanation:
A rangeland can be described as a vast field of land comprising of grasses, shrubs and a few flowering plants. Such type of land is considered ideal for the the grazing of animals.
However, as more of this land is used for urban development, the more available land for grazing decreases.
Which of the following terms refers to a protein that catalyzes chemical reactions in organisms?
Enzymes are proteins that contain ribonucleic acid (RNA). An enzyme binds to one or more reactant Molecules to catalyze a reaction. The reactant molecule is referred to as the substrate. The fundamental duty of an enzyme is to increase the rate of Chemical reaction within the cell of an organism
Explanation:
The enzyme is the term used to refer to the protein that catalyzes a chemical reaction in an organism.Enzymes are folded in complex shapes and it allows substrate molecule to fit into them .The place where the substrate molecule fit is know as the Active Site.A product is formed when a substrate fits into a enzyme.
Enzyme refers to a protein that catalyzes chemical reactions in organisms. These proteins facilitate and speed up chemical reactions, making them a key component of life processes.
Explanation:The term that refers to a protein that catalyzes chemical reactions in organisms is Enzyme. Enzymes are biological catalysts that speed up chemical reactions in cells. These proteins lower the energy required for reactions to happen which allows them to occur at a much faster pace than they would otherwise. A single enzyme can catalyze many times its own weight, making them a crucial component for life processes.Enzymes are biological catalysts that speed up chemical reactions by lowering the activation energy required for the reaction to occur. They play a crucial role in various processes within living organisms, such as digestion, metabolism, and DNA replication.
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Drag the tiles to the correct boxes to complete the pairs.
Match the stages to their features
low birth rates, death rates are constant
high birth rate and death rate
high birth rate and low death rate
Pre-modern-
Mature industrial-
Industrialization-
Pre-modern-high birth rate and death rate
Mature industrial-low birth rates, death rates are constant
Industrialization-high birth rate and low death rate
Identify and explain four factors which assist gas exchange. (4 marks) The
first 1 is done for you.
The example is : The surface of the alveoli and the walls of the blood capillaries are only 1 cell thick which allows for rapid diffusion to take place.
PLZ HELP xxx
Answer:
The factors on which the gaseous exchange depends are:
Surface Area Of The Membrane: The larger the surface area of a membrane, the more will be the gaseous exchange. Hence, surface area is directly proportional to the rate of gaseous exchange.
Thickness of the membrane: The more thick the membrane will be, the lesser the amount of gases will be able to diffuse through it. Hence, gaseous exchange and thickness of a membrane are inversely proportional.
The Distance Of Diffusion: The distance across which air and blood have to travel to diffuse also determines the rate of gaseous exchange
What experiment demonstrated the function of proteins that allow diffusion facilitated?
The experiment by Peter Agre who discovered the protein Aquaporin demonstrated the function of proteins that allow facilitated diffusion of water.
Explanation:
Aquaporins are water channel proteins that facilitated diffusion of water. Agre was able to prove its function when a frog’s oocytes showed increased water permeability when an unknown protein (membranous) from the RBCs was introduced into them. The oocytes without proteins did not facilitate water diffusion.
Aquaporins are membranous proteins that belong to larger intrinsic proteins but act as pores on the cellular membranes to facilitate water diffusion.
In some situations, when two purple-flowered pea plants reproduce, the offspring can have purple or white flowers. When this experiment is run repeatedly, it is discovered that three-fourths of the offspring have purple flowers and one-fourth of the offspring have white flowers.
What would happen if this experiment were run only once?
The experiment would give the same results. The conclusion would not be changed from the original experiment.
The experiment would give a single white-flowered plant. The conclusion would be that tall plants always produce white-flowered plants.
The experiment would give a single purple-flowered plant. The conclusion would be that tall plants always produce purple-flowered plants.
The experiment would result in a plant with either purple or white flowers. The conclusion would depend on this single result and would not be accurate.
The experiment would give the same results. The conclusion would not be changed from the original experiment.
Explanation:
The alleles for the purple colour flower in Mendelian pea plant is Pp
This means this is a heterozygous dominant in nature.
Pp and Pp are the heterozygous plants with purple colour to be crossed.
Punnett square, F1 generation
P p
P PP Pp
p Pp pp
3 purple one white
ie 3/4 th purple and 1/4 white flower
Phenotypic ratio 3:1
genotype ratio 1:2:1
The phenotype ratio shows only one white flower in the first generation.
Answer:
The experiment would result in a plant with either purple or white flowers. The conclusion would depend on this single result and would not be accurate.
Select the correct answer from each drop down menu.
Arteries usually carry oxygenated blood away from the heart. However, the pulmonary artery carries deoxygenated blood. If a defect
occurs in this artery, then the possible effect will be on the supply of deoxygenated blood to the
. Similarly, a defect in
pulmonary veins may lead to a block in the supply of oxygenated blood to the
Answer: 1). Lungs
2). Heart.
Explanation:
Even though the options were not provided, generally all arteries carry oxygenated blood except the pulmonary artery while all veins carry deoxygenated blood except pulmonary vein.
Pulmonary artery and veins are responsible for pulmonary circulation. Pulmonary circulation involves the transport of deoxygenated blood from the heart to the lungs by the pulmonary artery where the carbon dioxide is removed and the blood gets oxygenated; and the transport of the oxygenated blood from the lungs to the heart by the pulmonary veins from where they are being carried by other arteries to other parts of the body.
Pulmonary artery carries deoxygenated blood from the right ventricle of the heart to the lungs where the carbon dioxide entrapped in the deoxygenated blood is offloaded and oxygen is loaded in the blood, thereby causing the blood to become oxygenated.
Pulmonary vein then carries the oxygenated blood from the lungs into the left ventricle of the heart, from where it is supplied to other parts of the body through other arteries.
Therefore, a defect in pulmonary artery will result in short supply of deoxygenated blood to the lungs while a defect in pulmonary vein will lead to shortage of oxygenated blood in the heart.
Answer:
Plato: Lungs, Heart