Answer:
Adenine, A match-pairs with Thymine, T while Cytosine, C pairs with Guanine, G.
Explanation:
Normally, complementary DNA strand obeys Chargaff's rule of base-pairing in 1: 1 ratio, in a scenario with a template strand where a purine pairs with a pyrimidine via hydrogen bonds to create a novel 3-dimensional (3D) DNA structure.
Pyrimidines are normally Cytosine, C and Thymine, T; while Purines are Guanine, G and Adenine, A. So through complementarity, a purine, G must bind a pyrimidine, C and same case for A to T.
In watermelons, solid green rind color (G) is dominant to stripes (g).
A farmer crosses two watermelon plants that are heterozygous for rind color.
What are the odds that the offspring will have solid green rinds?
There are chances of 75% solid green coloured rind in watermelons.
Explanation:
Dominant trait = Solid Green rind G
Recessive trait= stripes g
Given that both the parent plants are heterozygous so their alleles will be
Gg Gg
From the Punnet square
G g
G GG Gg
g Gg gg
The phenotype ratio is 3:1 ( 3 watermelons with the green colour rind and 1 with striped rind observed)
Genotype ratio is 1:2:1
From the observation, we can say that 75% of the watermelons will have solid green colour rind because G is dominant over g.
The probability that offspring of two heterozygous watermelon plants for rind color will have solid green rinds is 3/4 or 75%, following a 3:1 ratio characteristic of a monohybrid cross with a dominant and recessive trait.
The question concerns a cross between two heterozygous watermelon plants for the rind color trait, where solid green rind color (G) is dominant over stripes (g). To determine the odds that the offspring will have solid green rinds, we must consider the possible genotypes that the offspring could inherit. With both parents being heterozyous (Gg), the potential genotypes of the offspring, according to the Punnett square, include GG, Gg, and gg. When these are combined, there is a 3:1 ratio favoring the dominant phenotype. The proportion of offspring with the solid green phenotype (either GG or Gg) is therefore 3/4 or 75%, meaning there's a 75% chance that an offspring will have solid green rinds. This calculation follows the monohybrid cross pattern, where the probability of an offspring displaying a dominant trait is the sum of the probabilities of being homozygous dominant (GG) or heterozygous (Gg).
Which religious texts are associated with Judaism? Select the two correct answers
A. Avesta
B. Gospels
C. Talmud
D. Torah
E. Quran
Answer:
Which religious texts are associated with Judaism?
Avesta and Torah
Explanation:
Both avesta and torah are associated with Judaism
Answer:
The two religious texts associated with Judaism are:
C. Talmud .D. Torah.Explanation:
The Torah and the Talmud are the two bases used by Judaism, on the one hand is the Torah where are what would commonly be the first five books of the Bible (the pentateuch) written by Moses, since in his view the Messiah has not yet arrived and they are still waiting for him, on the other hand, the Talmud is a compendium of all the rabbinical discernment through time that allows the Jews to better understand the word of God.
in the reaction below how would adding more of product C affect the equilibrium of the system? A+B arrows both ways C+D
In the endothermic reaction below how would adding hear affect the equilibrium of the system? A+B + energy arrows both ways +D
In the following reaction, if you wanted to produce more hydrochloric acid (HCl2), what would you do? 4HCl + O2 arrows both ways 2H2O + Cl2
Answer:
First answer : equilibrium shift towards the formation of the reactants
Second answer : equilibrium shift towards the formation of products
Third answer : need to add more H2O.
Explanation:
In a reversible chemical reaction, the shift of equilibrium of the reaction towards the production of products or reactants is dependent on the abundance of reactants or products. As in the first question, if the products available are more (C) than the reactants, then the equilibrium of the reaction would shift towards the formation of the reactants (A and B). As in second question, If reactants available are more (heat addition) than that of products, then the equilibrium of the reaction would shift towards the formation of products (D). As in the third question, we want to generate more HCL, which is the reactant, so we need to increase the amount of product, so we need to add more H2O.
What would most likely happen to this ecosystem if all of the red foxes were removed
Answer:
B. The Red Squirrel population would increase.
Explanation:
There isn’t another animal the would eat the Red Squirrels, therefore causing the Red Squirrels to over populate.
Answer:
B. The red squirrel population would increase.
Explanation:
As we can see on the table, red foxes are secondary consumers that's feed on primary consumers, if the red foxes were removed from the ecosystem the population of primary consumers that are eaten by red foxes (such as red squirrel and snowshoe hare) would increase.
1 Describe 2 ways that carbon is removed
from the atmosphere.
Carbon dioxide is removed from the atmosphere primarily through photosynthesis and enters the terrestrial and oceanic biospheres. Carbon dioxide also dissolves directly from the atmosphere into bodies of water (ocean, lakes, etc.), as well as dissolving in precipitation as raindrops fall through the atmosphere.
What approach is required to balance the objectives of sustainable development?
Balancing the objectives of sustainable development requires a(n)
approach
Answer:
The objectives of Sustainable development can be balanced by:
Explanation:
Sustainable development targets to promote the economic use of all resources by the current generations so that these resources can be retained for use by the future generations.This can be done by (considering the environmental factors only):Efficient and increased use of public transport system instead of private transport system as this will reduce the consumption of the non-renewable fossil fuels.Efficient and judicious use of electricity and power.Reduction in use of non-biodegradable wastes like plastics.Promoting afforestation.Answer:
systems :)
For all the plato users
Compare headlines 4 and 5. Why is there a difference in the two headlines even when they outline the same scientific research?
Answer:
First, let's add the missing piece- the article
"Well, we haven’t read the articles yet, but I have their titles here. You can read them,” Alana said as she handed a paper to her mother with the following list:
1. Long-Term Cell Phone Use Spurs Tumor Growth
2. Mobile Phone Use and Acoustic Neuroma
3. Study Links Mobile Phones, Benign Tumors
4. Cell Phone-Tumor Link Found?
5.Study Indicates Mobile Phones Increase Tumor Risk
“Now I’m even more confused. Do cell phones cause cancer or not? Can I use mine or not?” asked Alisa impatiently.
“In my next class we’re going to read the articles, so I will tell you everything then,” concluded her sister.
Then the Answer to our question:
Both headlines 4 and 5 outline the exact same way, with little or no difference in the headline structure. On a closer look, we can infer that scientific research 4 looks less definite in a risk being found research. Unlike 5 which looks more definite in combining mobile phones with acoustic neuroma.
Building a house uses natural resources, human resources, and capital goods. In 1-3 sentences, glve an example of
each productive resource that can be used to make a house.
Answer:
Natural resources will be the resources which will be the building material for our house. Such resources include wood, clay or cement, steel and any other materials of such kind.
Human resources will be the humans which we will be using for the building our house. These will include the laborers, the carpenters, gardeners, welders, electricians etc.
Capital goods will be all the things with which we will stack our house such as food, furniture, appliances etc.
Answer AND Explanation:
While building a house, different resources are harnessed to complete the work. These resources include natural resources that constitute the building materials. They can be wood, cement, nails, stones and other related materials. The human resources include people who provide mechanical support to build the house. These are the carpenters, bricklayers, welders and plumbers. The capital goods are the essential things to stock the house with such as furniture and the money for labour.
The original gene for the production of a human hormone was mostly removed from a
In order for ground water to enter a well, the well must be deeper than the water
table.
true or false
True
Explanation:
To get water in the well, the depth of the well should be deeper than the water table in that region.The water table distance from the surface is varied with the locality. It depends on the availability of the source like rain, soil type which means that the soil which has a higher percolation rate will have a high water table, etc. Hence, when we did a well and the depth should be deeper than the water table for it gets water for a long time even in summers.How big is the rare earth market expected to grow?
What are the functions of lipids?
What is the main purpose of the Ramsar convention?
Answer:
The main purpose Ramsar Convention is to protect and preserve the wetlands.
Explanation:
Ramsar in a location in Iran.In 1971, an international treaty was signed for the protection, conservation, and use of wetlands in a sustainable manner.Wetlands are water filled area having diverse population of plants and animal species. They in rich in both the aquatic and terrestrial plant and animal species.In order to protect these biological hotspots the Ramsar Convention Treaty was signed.Answer: wetlands
Explanation:
What is true about elements and compounds? A. Elements contain two or more compounds. B. Compounds contain two or more elements. C. Compounds contain atoms; elements do not. D. Elements contain atoms; compounds do not
Answer: B) Compounds contain two or more elements
Explanation:
True about elements and compounds B. Compounds contain two or more elements . Therefore , B. Compounds contain two or more elements is correct .
An element is a substance that consists of only one type of atom.
Each element is defined by the number of protons in the nucleus of its atoms, known as its atomic number.
Elements cannot be broken down into simpler substances by chemical reactions.
A compound, on the other hand, is a substance composed of two or more different elements chemically bonded in fixed proportions.
The atoms in a compound are combined in a specific ratio based on their chemical properties.
Compounds can be broken down into simpler substances (elements or other compounds) through chemical reactions.
For example:
Water (H2O) is a compound made of two different elements, hydrogen and oxygen.
Carbon dioxide (CO2) is a compound made of carbon and oxygen.
So, option B is correct: Compounds contain two or more elements.
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When warm air rises, air pressure
A. decreases
B. stays the same
C. increases
D. temperature doesn't impact air pressure
Answer:
When air rises air pressure increases as well
[CM.02] The diagram below shows the movement of energy in the water cycle.
Diagram showing the movement of energy in the water cycle. There are three boxes and six arrows that appear in the following order: box labeled '?,' one arrow pointing to a box labeled 'Land,' arrow pointing to a box labeled 'Ocean,' and arrow leading back to the box labeled '?.' As well, there are two arrows pointing from the 'Land' box back to the '?' box, and one arrow pointing from the '?' box back to the 'Ocean' box.
Which term best fits in the empty cell of the diagram?
water vapor
evaporation
transpiration
atmosphere
Answer:
Atmosphere
Explanation:
The water cycle classifies the water reservoir as a surface or atmosphere. Water on the surface can be a lake, river or soil. This water will flow to the ocean, where it can easily get evaporated into water vapor.
Water on the atmosphere is not only water vapor, but it can also be snow or cloud so option A is wrong. Another option is describing the process that moves the water to different reservoir.
What does a line in between two individuals represent?
Answer:
In a pedigree chart, the line which is horizontal shows the parents which mated and produced the children which are represented in the vertical lines below them.
A pedigree chart can be described as a diagram which illustrated the sequence of ancestors of an individual. Often, a pedigree chart is used to look for genetic traits or genetic disorders which might run in the family history. Pedigree charts are important for understanding the probabilities of the offsprings in which a genetic disorder might occur due to family history.
In horses, the coat color black is dominant (B) over chestnut (b). The trotting gait is dominant (T) over the pacing gait (t). If a homozygous black pacer is mated to a homozygous chestnut, heterozygous trotter, what will be the probabilities for genotype and phenotype of F1 generation
Answer: The genotypes of the F1 generation are BbTt and Bbtt.
The probability of having a genotype BbTt is 1/2
The probability of having a genotype Bbtt is 1/2.
The phenotypes of the F1 generation are black trotter (BbTt) and black pacer (Bbtt)
The probability of having a black trotter is 1/2
The probability of having a black pacer is 1/2
Explanation: From the information provided, the genotype of a homozygous black pacer is BBtt while the genotype of a homozygous chestnut, heterozygous trotter is bbTt.
A dihybrid cross between BBtt and bbTt will produce sixteen offsprings in F1 generation. The genotypes of the F1 offsprings is 8 BbTt and 8 Bbtt.
The probability of having a BbTt genotype is 8/16 =1/2
The probability of having a Bbtt genotype is 8/16 = 1/2
The genotype BbTt is heterozygous black, heterozygous trotter.
The genotype Bbtt is heterozygous black, homozygous pacer.
The phenotypes of the F1 offsprings are black trotter and black pacer.
The probability of having a black trotter is 8/16 = 1/2
The probability of having a black pacer is 8/16 = 1/2.
The genotype and phenotype for F1 generation are BbTt and Bbtt and the probability for F1 generation is 50%.
What is a genotype?The genotype of an organism is the collection of genes, that contribute to the traits and characters of the organism.
In the F1 generation, a dihybrid cross between BBtt and bbTt will generate sixteen offspring.
1. The F1 offspring had genotypes of 8 BbTt and 8 Bbtt.
The probability of BbTt genotype is [tex]\dfrac{8}{16} =\dfrac{1}{2}[/tex]
The probability of Bbtt genotype is [tex]\dfrac{8}{16} =\dfrac{1}{2}[/tex]
2. Black trotter and black pacer are the phenotypes of the F1 offspring.
The probability of black trotter is [tex]\dfrac{8}{16} =\dfrac{1}{2}[/tex]
The probability of black pacer is [tex]\dfrac{8}{16} =\dfrac{1}{2}[/tex]
Thus, the probability for genotype and phenotype of F1 generation is 50%.
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1. Where do T-cells reach maturity?
A. bone marrow
C. thymus
B. tonsils
D. lymph nodes
T-cells reach maturity in the Thymus
Explanation:
The thymus is a lymphoid organ located in front of the heart and behind the sternum. The progenitors of T-cells are produced in the bone marrow in a process called hematopoiesis. They then migrate to the thymus where they mature and develop their specific antigenicity. Only about 20% of the progenitor T-cells mature. The rest mainly get destroyed by apoptosis.
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Which statement describes the outer planets
Answer:
the outer planets are primarily composed of gasses. also the outer planets are considerably bigger than the inner ones
Answer:
Outer planets are called gas giants. Outer planets have a high gravity.
Explanation:
how does meiosis contribute to genetic variation, while mitosis does not?
Answer:
Mitosis produces two daughter cells that are genetically identical to the original parent cell. Therefore there is no variation (except when things like mutations happen).
Explanation:
Devise a scheme to prepare 10^-6 dilution on a plate using the least number of sterile water dilution tubes.
Answer:
The serial dilution can be done by half- logarithmic dilution method.Explanation:
The following step explains the way to obtain [tex]\frac{1}{10^6}[/tex] dilution. The volumes taken are arbitrary.Take 1 micro-litre (ul) of the concentrated solution in a dilution tube. Add water to it till the total volume becomes 10 ml. Here the solution formed is [tex]\frac{1}{10^4}[/tex] diluted.Take 100 micro-litre(ul) of [tex]\frac{1}{10^4}[/tex] diluted solution to another tube and add 9900 micro-litre(ul) of water to it. Here the solution formed is [tex]\frac{1}{10^6}[/tex] diluted.To prepare a 10^-6 dilution with the least number of sterile water tubes, perform a series of serial dilutions, starting with a 1:10 dilution and repeatedly diluting the resulting solution by the same ratio until the desired 10^-6 dilution is reached.
Explanation:
1. Make a 1:10 dilution by taking 1 unit of A (such as 1 ml) and adding it to 9 units of sterile water. This will give you a 10^-1 dilution (B).
2. Repeat this process with B to get the 10^-2 dilution (C).
3. Continue this process until you reach the desired 10^-6 dilution.
This method ensures that you are using the least number of tubes by diluting sequentially rather than trying to make the 10^-6 dilution directly, which would require a tremendous amount of sterile water and be significantly less accurate.
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In a pedigree, a vertical line and a bracket connect
A siblings to each other
B parents to their children
C husbands to wives
Answer:
In a pedigree, a vertical line and a bracket connect parents to their children.
Explanation:
A pedigree can be described as a diagram which depicts the lineage of a person and shows his/her ancestors in a pattern. A pedigree is very helpful in understanding any genetic disorders which occur in a family. It helps the doctor conclude that whether the parents will have the probability of having a normal child or not.
In a Pedigree, a vertical line will be drawn to show the parents and their children. A horizontal line is drawn between the parents.
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What is an example of an environmental effect on phenotype?
1. the large variety found in the color of human eyes
2. the gender of sea turtles being affected by the temperature
3. a wide variation in the amount of milk produced by cows
4. a dihybrid Punnett square predicting the wrong results for two different genes
Answer:
It is not 4.
Explanation:
the genotype for people who do not taste PTC?
Answer:
Virtually all non-tasters (dd) cannot taste PTC, while homozygous tasters (TT) occasionally report an inability or weak ability to taste the chemical. The heterozygous genotype (Tt) has the "leakiest" phenotype as reduced or absent tasting ability is relatively common. This is formally called a heterozygous effect.
Explanation:
The genotype for people who cannot taste PTC is 'tt', meaning they have two recessive alleles for the TAS2R38 gene. This genetic makeup results in a lack of sensitivity to the bitter chemical PTC, distinguishing 'non-tasters' from 'tasters' and 'supertasters' who may possess at least one 'T' allele.
The genotype for people who cannot taste PTC is 'tt'. This means they have two copies of the recessive allele. PTC, or phenylthiocarbamide, taste sensitivity is an inherited trait determined by the presence of a specific gene, TAS2R38. Individuals who can taste PTC may have the genotypes 'TT' (homozygous dominant) or 'Tt' (heterozygous) whereas only the 'tt' genotype leads to an inability to taste PTC. The TAS2R38 gene contains single nucleotide polymorphisms (SNPs) that influence the structure of a taste receptor protein on the tongue, affecting the ability to detect the bitter taste of PTC.
Supertasters have an enhanced sense of taste, often because of a higher number of taste buds or sensitivity to certain compounds, and may have a genotype leading to a heightened response to PTC and similar compounds. The genetic variation in the TAS2R38 gene is a prime example of how taste preferences and sensitivities can be affected by our genetic makeup.
The process of using any of the five senses to gain information about an environment or about a problem.
Answer:
each sense ( eyes ears nose mouth ect.) sends electrical pules through the nerves or "messages" to the brain. which then processes it and turns it into information so that you can understand what you are seeing, hearing, tasting ect
does that help?
Observation is the process of using any of the five senses to gain information
The five sense of the body includes Touch, Sight, Hearing, Smell and Taste The sense organs which perform these function are Skin/Hair, Eye, Ear, Nose and Tongue respectively.
Let understand that Observation mean the process of acquiring information from a primary source.
The organs perform various observation on an environment or a problem by interacting with the brain through the nerves attached to them.
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Can the classification system change? If so, provide an example of a way it has changed in the past.
Answer:
Yes, classification system can change with time due to the improved understanding of organisms around us and majorly due to evolution.
Explanation:
Carolus linnaeus devised various rules and factors to classify and name both plants and animals. This was the first system of classification.But, with the huge discoveries of scientific knowledge about these beings this system of classical taxonomy has to be revised again and again to incorporate new found information.One such example is the discovery of microscope which lead to the discovery of microscopic forms of life.And, this system of classification had to be changed.The following table describes several molecules and their functions. The molecules all belong to the same class.
Molecule
Function
Oleic acid used for energy storage and insulation in whales
Phospholipid component of cell membranes in plants and animals
Brassinosteroid steroid hormone involved in pollen elongation in plants
Which class of biomolecule do the molecules in the table belong to?
A. lipids
B. proteins
C.
nucleic acids
D.
carbohydrates
Reset
Next
Explanation:
The compounds are lipids
Organic compounds in nature may be large chains of monomers forming biological macromolecules which perform many essential functions in the body. Nucleic acids, sugars, proteins and lipids may be included. These are organic molecules, containing ringed or long-chain Carbons bound to oxygen (O), hydrogen (H), nitrogen (N), and phosphorus (P) elements; they are contained in important organic biomolecules, including proteins, nucleic acids, lipids, and carbohydrates.
Lipids serve as energy storage and chemical messengers for oils, saturated and unsaturated fatty acids with double bonds and waxes and steroids. Nevertheless, lipids consist of fatty acids and glycerol; they do not comprise a fixed set of monomers, and they are not polymers, unlike the other biological macromolecules. Such non-polar macromolecules can offer hydrophilic and hydrophobic properties through the arrangement of hydrophobic heads and hydrophobic fatty acid tails. Specific makeup: C, H, O; non-polar-a triple condensation reaction creates molecules bound to three long-chain carboxylic acids from a single hydroxyl (OH) alcohol.
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Answer:
A - Lipids
Explanation:
I got it right.
The starting cell must duplicate its Chromosomes in interphase before mitosis can being? Does this change the number of chromosomes? Chromatids? both? how many of each would you expect in a human cell after interphase
Answer:
The correct answer is both.
Explanation:
Each chromosome is made up of a pair of sister chromatids which remain attached to each other at the centromere.During DNA replication the DNA duplicates, which means that if initially in the parent cell 'n' chromosomes were present then, after duplication, the number of chromosomes in the cell will be '2n'.As mentioned above, each chromosome has a pair of sister chromatids, that is, two chromatids per chromosome. So, 'n' chromosomes will have '2n' chromatids. Hence, '2n' chromosomes will have '4n' chromatids.In a parent cell,Before duplication, number of chromosome = n, number of chromatid = 2n.After duplication, number of chromosome = 2n, number of chromatid = 4n.The cell cycle proceeds as, G0, G1, S, G2, M.G0 represents the interphase. It occurs before replication or duplication of the chromosomes, which occurs in the S phase.So, in G0 phase, the chromosome number is 'n' and chromatid number is '2n'.DNA REPLICATION:
DNA replication is the process by which the DNA of a cell is doubled prior to cellular division. DNA replication occurs at the S-phase of the interphase stage of mitosis and meiosis. The DNA is doubled and represented by an increase in number of chromatids in each cell. The chromosome number does not change from 46 in a diploid cell (2n). However, the number of chromatid changes from 46 to 92 in each cell. After interphase stage, two chromatids each is expected to be present in each human cell.Learn more at: https://brainly.com/question/11554563?referrer=searchResults
4 rooms
What must be true for natural selection to happen?
O
A. The system must not be in Hardy-Weinberg equilibrium.
O
B. The population must be below carrying capacity.
O
C. All organisms must have the same alleles.
O
D. There can be no competition for resources,
Answer:
Answer: there must be genetic variation in the population
Explanation:
A PEX
For natural selection to happen, the system must not be in Hardy-Weinberg equilibrium. This means that there must be variation in the population, and that the frequency of alleles in the population must be changing over time.
What is Hardy-Weinberg equilibrium?Additionally, the variation in the population must be heritable, meaning that it can be passed on to offspring. This allows certain traits to be passed on more frequently than others, leading to changes in the population over time.
Competition for resources is actually an important driver of natural selection, as it leads to differential survival and reproduction based on traits that are advantageous in obtaining resources.
The population size and carrying capacity may also play a role in natural selection, but they are not essential requirements for it to occur.
All organisms having the same alleles is not possible in a natural population due to mutations, genetic drift, and gene flow, and it would actually limit the potential for natural selection to occur.
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