37) You are studying meiosis in an organism where 2n = 24. How many chromosomes will each nucleus have after meiosis II is complete? A) 6 B) 24 C) 48 D) 12
38) In the Hardy-Weinberg equation, p and q are р A) genotypes B) mutation rates C) allele frequencies D) measures of fitness E) phenotypes 39) A population of flowers is in Hardy-Weinberg equilibrium with an allele frequency for white flowers (w) of 40%. What percentage of the flowers will have the colored or dominant phenotype? A) 25% B) 60% C) 16% D) 40% E) 84%
Answers
The number of chromosomes is D. 12, p and q are p C. allele frequencies, Hardy-Weinberg equilibrium with an allele frequency of D. 40% .
After meiosis II is finished in a living being with 2n = 24, every core will have 12 chromosomes, as the chromosome number is divided during meiosis I and afterward split during meiosis II to frame four haploid cores with 12 chromosomes each.
In the Tough Weinberg condition, p and q address the frequencies of the two alleles in a populace. They are utilized to work out the normal genotype frequencies of a populace under specific suppositions, like irregular mating, no movement, no change, no determination, and an enormous populace size.
In a populace of blossoms in Tough Weinberg balance with an allele recurrence of 40% for the passive white bloom allele (w), the prevailing aggregate will be available in 84% of the blossoms. This can be determined utilizing the condition \(p^2 + 2pq + q^2\)= 1, where p is the recurrence of the predominant allele and q is the recurrence of the latent allele. For this situation, \(q^2\) = 0.4, so q = 0.2. In this way, p = 0.8, and the level of blossoms with the predominant aggregate is \(2pq + p^2\) = 0.84 or 84%.
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37) After meiosis II is complete in an organism with 2n = 24, each nucleus will have 12 chromosomes. This is because meiosis reduces the chromosome number by half, so after meiosis I, there are two nuclei, each with 12 chromosomes. Then, after meiosis II, each of these nuclei divides again, resulting in a total of four nuclei, each with 6 chromosomes.
Answer: D) 12
38) In the Hardy-Weinberg equation, p and q are allele frequencies. The equation is used to predict the frequencies of genotypes and alleles in a population under certain assumptions, such as no mutation, no migration, no selection, random mating, and a large population size.
Answer: C) allele frequencies
39) a population of flowers is in Hardy-Weinberg equilibrium with an allele frequency for white flowers (w) of 40%, then the frequency of the dominant allele (W) is 1 - 0.4 = 0.6. The Hardy-Weinberg equation can be used to predict the frequencies of the three genotypes: WW, Ww, and ww. The frequencies of these genotypes are expected to be:
WW = p^2 = (0.6)^2 = 0.36
Ww = 2pq = 2 x 0.6 x 0.4 = 0.48
ww = q^2 = (0.4)^2 = 0.16
The percentage of flowers with the colored or dominant phenotype is the sum of the frequencies of the WW and Ww genotypes, which is 0.36 + 0.48 = 0.84, or 84%.
Answer: E) 84%
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Related Questions
methylation regulates transcription a. via the addition of a methyl group to cytosine bases of dna. b. via the addition of a methyl group to cytosine residues on rna polymerase ii. c. via the addition of a methyl group to cysteine residues on rna polymerase ii. d. via the addition of a methyl group to cysteine bases of dna.
Answers
Option A, methylation regulates transcription via the addition of a methyl group to cytosine bases of DNA.
DNA methylation controls gene expression by attracting proteins implicated in gene repression or by preventing transcription factor(s) from binding to DNA. De novo DNA methylation and demethylation both play active roles in the dynamic process that alters the pattern of DNA methylation in the genome during development. DNA methylation, in general, inhibits transcription, and loss of methylation is linked to gene activation. In rare circumstances, DNA methylation might directly obstruct the binding of transcription factors.
The complete question is:
Methylation regulates transcription
a. via the addition of a methyl group to cytosine bases of DNA
b. via the addition of a methyl group to cysteine residues on RNA polymerase II
c. via the addition of a methyl group to cysteine basses of DNA
d. via the addition of a methyl group to cytosine resides on RNA polymerase II
e. by interfering with the chromatin remodeling process
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q5.8. wetlands effectively remove nutrients like nitrogen and phosphorus from the water column, reducing the likelihood that the water discharged from the wetlands will stimulate excess primary production in downstream lakes or estuaries. in what class of ecosystem services is the removal of such pollutants?
Answers
The class of ecosystem services is the removal of such pollutants is microorganisms level of ecosystem.
The wetland is an area wherein the land is included through water—salt, fresh, or someplace in between—both seasonally or permanently. It capabilities as its personal wonderful ecosystem. You can understand wetlands from different varieties of land or our bodies of water by and large through the flora that has tailored to moist soil.
Both nitrogen and phosphorus may be found in many bureaucracy (particulate, dissolved, natural, inorganic, etc.), and those bureaucracy are acted upon in a different way through the numerous methods inside the wetland compartments. For example, a few bureaucracy are unstable and launched into the atmosphere, others fall to the lowest of the wetland, and different kinds are utilized by plant life and microorganisms.
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what is a benefit of following the recommended daily allowances for proteins?
Answers
A cell with mutated DNA may not be able to produce proteins accurately. What can lead to mutations in the DNA? Choose all the apply.
a. uncorrected DNA replication errors
b. chemicals in tobacco smoke
c. excess pyruvated from glycolysis
d. mistakes in mRNA splicing
e. ultraviolet radiation exposure
Answers
Answer:
a, b, and e
Explanation:
......................
What are two examples of carbohydrates?
A. Fats and oils are carbohydrates.
B. Sugars and starches are carbohydrates.
Answers
Answer:
B. Sugars and Starches
Explanation:
Fats and oils are examples of fats
Answer:
Sugars and starches!
Explanation:
Sugars are a carb, and starches are a carb. Fats are the opposite, and oils are a type of fat as well.
Draw what a single chromosome would look like before and after S phase if the chromatin along with its DNA was condensed as it is during mitosis and meiosis
Answers
Answer AND Explanation:
Note: You will find the chromosome drawing in the attached file
The cellular cycle is the process of cellular duplication to result in two new cells. This process has different phases called G1, S, G2, and M.
In the G1 phase, the cell prepares to divide, duplicating the organelles, and growing in size.
During the S phase, the cell synthesizes a new copy of its DNA and also duplicates the centrosomes, which will help to separate DNI during division.
When the DNI is duplicated, the cell enters phase G2, condensing, and organizing the genetic material and preparing to cellular division.
The M phase belongs to mitosis, by which two daughter cells are formed.
The phases G1, S, and G2 are known as the interphase.
Suggest why the blood flows through many channels in the dialysis unit, rather than through a single large channel
Answers
Hello there I hope you are having a great day :)
Blood travels through many different channels to optimize absorption. The water potential in the solution in the dialysis machine will need to be less than in the blood. If all the blood flows through a single large channel the blood water potential may be more negative than outside, therefore slowing absorption.
how long does it take for your body to absorb a serving of protein
Answers
Example: To fully absorb a 20 gram-dose of whey it takes about 2 hours.
Which of the following statements is correct about these amino acids?
Answers
Answer:
C
Explanation:
something needs to be polar to diffuse through the plasma membrane, which the first aa is on the outside
A cable company charges $80 per month for a basic cable package. the function f(x)=80x represents the cost x for month of basic cable..
Answers
Answer:
$6400.00
Explanation:
A cable company charges $80 per month for a basic cable package by the function f(x)=80x which represents the cost x for month of basic cable.
If f(x) = 80x represents the cost x for month of basic cable, at x = $80, f(x) = 80*$80 = $6400.00
how does the effective population size of human populations differ in different parts of the world? how do these differences alter the relative contributions that natural selection and genetic drift have made to human evolution?
Answers
The effective population size of human populations differs in different parts of the world, with some populations having larger effective population sizes than others. These differences can alter the relative contributions that natural selection and genetic drift have made to human evolution.
The effective population size (Ne) is a measure of the genetic diversity within a population, and it is influenced by a variety of factors, including population size, growth rate, and mating patterns. In general, larger populations tend to have larger effective population sizes, which means they have more genetic diversity and are more resistant to the effects of genetic drift.
Human populations have different effective population sizes depending on a variety of factors, including historical migration patterns, population size, and isolation. For example, African populations tend to have larger effective population sizes than European populations, due in part to the fact that humans originated in Africa and African populations have had a longer time to accumulate genetic diversity.
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what is structure g called?
Answers
explain in biological detail incorporation of carbon dioxide from the atmosphere into molecules by green leaves contributes the most mass to the huge increase in biomass of trees and why each of the other answers is not correct!
Answers
Green leaves incorporate carbon dioxide from the atmosphere into molecules, which contributes the most mass to the huge increase in biomass of trees.
The process by which green leaves incorporate carbon dioxide from the atmosphere into molecules is called photosynthesis. In photosynthesis, light energy is converted into chemical energy, which is used to synthesize organic molecules such as glucose.
Carbon dioxide from the atmosphere is combined with water to form glucose, which is then used as a source of energy and building blocks for the plant. Trees use this process to produce the majority of their biomass, which is the total mass of living organisms in the forest.
Therefore, the incorporation of carbon dioxide into organic molecules is a crucial process for the growth and survival of trees.
The other answers are not correct because:
Nitrogen fixation is the process of converting atmospheric nitrogen into a form that can be used by plants. While this process is important for plant growth, it does not contribute the most mass to the huge increase in biomass of trees.
Transpiration is the process by which water is lost from plant leaves through small pores called stomata. This process is important for maintaining the water balance in plants but does not contribute to the increase in biomass.
Respiration is the process by which organisms release energy from organic molecules. While respiration is important for the survival of trees, it does not contribute to the increase in biomass because it does not involve the incorporation of carbon dioxide from the atmosphere into organic molecules.
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As water cycles between Earth’s atmosphere and its surface, what factor plays the greatest role in determining the type of precipitation that returns the water to Earth? A. the level of humidity B. the atmospheric temperature C. how long it has been in the atmosphere D. the geological features of the land
Answers
As water cycles between Earth’s atmosphere and its surface, the atmospheric temperature plays the greatest role in determining the type of precipitation that returns the water to Earth.
What is atmospheric temperature?
The term "atmospheric temperature" refers to a measurement of the temperature at various altitudes in the Earth's atmosphere. It is influenced by a variety of factors, including altitude, humidity, and solar energy received. When referring to surface air temperature, the annual atmospheric temperature range at any location greatly varies depending on the kind of biome, as identified by the Köppen climatic classification.
The energy exchange that takes place in the water cycle also causes temperature fluctuations. Water evaporation cools the atmosphere by absorbing energy from its surroundings. It releases energy and heats the surroundings when it condenses. The climate is affected by these heat exchanges.
Hence the correct answer is B, the atmospheric temperature
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A deletion mutation in the leader sequence of the trp operon removes the two tryptophan codons that are involved in attenuation. Predict the effect of this mutation on the expression of the trp structural genes in E. coli cells grown in media that lacks tryptophan. The trp structural genes will have decreased expression because the mRNA will adopt the terminator configuration. The ribosome will fail to recognize the trp structural gene mRNAs. The repressor protein R will be bound to the operator locus O. The trp structural genes will have increased expression because the mRNA will adopt the anti-terminator configuration.
Answers
The deletion mutation in the leader sequence of the trp operon will result in decreased expression of the trp structural genes in E. coli cells grown in media lacking tryptophan.
First, let's break down the terms. The trp operon is a set of genes in E. coli that are involved in the synthesis of the amino acid tryptophan. The leader sequence is a region at the beginning of the operon that regulates the expression of the trp structural genes by controlling transcription termination. Attenuation is a regulatory mechanism that allows the cell to adjust the expression of the trp structural genes in response to the availability of tryptophan.
Now, let's consider the effect of the deletion mutation in the leader sequence that removes the two tryptophan codons involved in attenuation. In the absence of tryptophan, the cell normally produces a short mRNA transcript that adopts a terminator configuration, which stops transcription of the trp structural genes. However, attenuation allows the cell to bypass this termination signal if tryptophan is present in the environment.
Without the tryptophan codons in the leader sequence, the mRNA will always adopt the terminator configuration, regardless of the presence of tryptophan. This means that transcription of the trp structural genes will be significantly reduced, since the mRNA will be terminated before the ribosome can complete translation.
Furthermore, the ribosome may fail to recognize the trp structural gene mRNAs, since they will have a different configuration than normal. This could lead to decreased translation efficiency and further reduction in expression of the trp structural genes.
Finally, the repressor protein R will still be bound to the operator locus O, since the mutation only affects the leader sequence. This means that the repressor will continue to block transcription of the trp operon unless tryptophan is added to the media.
In conclusion, the deletion mutation in the leader sequence of the trp operon will result in decreased expression of the trp structural genes in E. coli cells grown in media lacking tryptophan.
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Humans (homo sapiens) can be considered decomposer type of organism. what is the human species? You, along with every other human being ...
Answers
The human species is a type of consumer in the food chain.
It is not accurate to consider humans as decomposers. Humans (homo sapiens) are a type of organism known as consumers. They consume organic matter, including plants and other animals, for energy and nutrients. Therefore, the human species is a type of consumer in the food chain.
The term "species" refers to a group of living organisms that share common characteristics and can interbreed to produce fertile offspring. Homo sapiens is the only surviving species of the genus Homo, which includes extinct species such as Homo neanderthalensis and Homo erectus. As a species, Homo sapiens is characterized by its ability to use complex language, develop advanced tools, and engage in social and cultural practices.
Thus the human species is a type of consumer and not decomposer in the food chain.
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If new experimental findings contradict a scientific theory, what might happen to the theory?
A. The new evidence could be accepted and the theory changed.
B.The theory could become law.
C.The theory could stay, ignoring the new evidence.
D.The new evidence could be rejected because it does not support the theory.
Answers
Option (A) The new evidence could be accepted and the theory changed.
As additional scientific evidence is gathered, a scientific theory may be modified and ultimately rejected if it cannot be made to fit the new findings; in such circumstances, a more accurate theory is then required.
A scientific theory is an explanation for a phenomenon in the natural world or the universe that has undergone extensive testing and verification using approved procedures for observation, measurement, and result evaluation. Wherever possible, theories are put to the test in an experiment with strict controls. The principles of abductive reasoning are used to evaluate theories in situations where experimental testing is not feasible. Established scientific theories are the embodiment of scientific knowledge and have withstood close examination.
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Question 10
Which of the following is NOT an indirect user of Sun's energy?
O Carnivores
Herbivores
Plants
o Decomposers
No new data to
Answers
this ones simple all the others don't use sunlight because they cant make food within themselves but plants on the other hand use direct sunlight to make their food unlike the others. ;]
Plants are not the indirect user of Sun's energy, they are the direct user of Sun's energy.
How plants use energy from the Sun?Plant uses the energy of the Sun directly in order to grow and develop. Plants use energy from the Sun by the process of photosynthesis to produce their own food. At the time of photosynthesis, the plants trap energy from the sunlight with the help of their leaves. Plants utilize the energy from the Sun to convert carbon dioxide and water into a sugar known as glucose.
The plants captivate the energy of the Sun with the help of chlorophyll present within the cells of the leaves. The chlorophyll packages and traps the sun energy in the process of photosynthesis.
Thus, plants rely directly on the energy of the Sun to generate the nutrients they require.
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Match each body to its best description:
black hole
?
a collapsed star that does
not let light escape
white dwarf
?
T
a star that has expanded
and cooled
red giant
?
an old, very dense, hot star
that is cooling
nebula
?
may collapse to form a
star
Answers
Answer:
Here u go
Explanation:
black hole=a collapsed star that does not let light escape
white dwarf=an old, very dense, hot star that is cooling
nebula=may collapse to form a star
red giant=a star that has expanded and cooled
Matching of each body to its best descriptions is given below:
Blackhole ---- a collapsed star that does not let light escape.White dwarf ---- an old, very dense, hot star that is cooling.Red giant ---- a star that has expanded and cooled. Nebula ---- may collapse to form a star. What do you mean by a Star?A star may be defined as any huge self-luminous cosmic body of gas that shines by radiation emanated from its internal energy sources.
These celestial bodies may provide some of the foundations and understanding of the mythologies, the system of religion, derivation of the earth's surface, etc.
Therefore, the matching of each body to its best descriptions are described above.
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a bumblebee carriers pollen from the male portion of plant to the female portion of the same flower fertilization occurs . which statement is true about this type of reproduction
Answers
Answer:
insect pollination
Explanation:
Answer:
it's sexual, and the offspring are genetically different from the parents. As the bumblebee carries pollen from male part to the female portion of the same plant so it is an example of autogamy. ... In this type of reproduction the sperm from the stamen is carried to the carpels of that same plant and fertilization occurs.Aug 4, 2020
Explanation:
can I have brainliest
3 Water is temporarily stored in many different
places such as lakes, glaciers, and even
underground. Water moves from these places,
returning to the oceans, by all of the following
EXCEPT-
-
A streams
B rivers
C animals
D rocks
Answers
Answer is option D- rocks. Streams, rivers, and even animals can all play a role in the movement of water during this cycle, but rocks do not. Rocks do not have the ability to store or transport water in this context.
What are the examples where water is temporarily stored?Here are a few examples of where water can be temporarily stored:
(1) Lakes: Lakes are large bodies of water that are created when water accumulates in a basin or depression on the Earth's surface. They can be natural or artificial and can hold large amounts of water.
(2) Glaciers: Glaciers are massive bodies of ice that are formed from compacted snow. They can store vast amounts of water in the form of ice and release it as meltwater during warmer months.
(3) Groundwater: Groundwater is water that is stored in underground aquifers. It is replenished by rain and snowmelt that percolates down through the soil and rock.
(4) Rivers and streams: Rivers and streams are natural waterways that transport water from one place to another. They can hold large amounts of water, particularly during periods of high flow.
Overall, the temporary storage of water in these and other locations plays an important role in regulating the Earth's water cycle and providing water for human and ecological needs.
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Is the fossil record complete for humans? Explain your answer.
Answers
explanation: i believe the answer is no because you can never have a completely complete fossil record, due to evolution, so things are always changing. for human fossils, we have very few that we have uncovered, meaning that it is very much incomplete.
The passing of traits from parents to offspring is called
A heredity.
B dexoxyribounucleic acid , or DNA.
C cloning.
D precipitation.
Answers
Pretty easy
A cell membrane is very specific about what it allows across. How does this
help the cell?
OA. Transport proteins allow only enzymes to pass through the
membrane.
B. The cell works better when it contains fewer proteins.
C. It helps the cell absorb as many different molecules as possible.
OD. It is better for the cell if most molecules are prevented from
entering.
SUBMIT
Answers
Answer:
OA
Explanation:
because it's selectively permeable
The energy stored in the bonds of the molecules in the foods that humans eat is 1. a form of kinetic energy. 2. a form of potential energy. 3. referred to as chemical energy. 1 only 2 only 3 only 2 and 3 All of these choices
Answers
The energy stored in the bonds of the molecules in the foods that humans eat is referred to as chemical energy. This is the correct answer. Therefore, the correct choice is option number 3 only.
:The energy stored in the molecules in the foods that humans eat is chemical energy. It is known as potential energy because it has the potential to be converted into a different type of energy, such as thermal or mechanical, as it is utilized by the body.Chemical energy, in basic words, is the potential energy that is stored in chemical bonds between molecules
. Food is digested by humans to produce chemical energy in the form of adenosine triphosphate (ATP).The ATP molecule has high-energy bonds that store energy obtained from the breakdown of food molecules. This chemical energy is used to power the various chemical reactions that occur in the body and to perform mechanical work.All in all, option number 3, which says that the energy stored in the bonds of the molecules in the foods that humans eat is referred to as chemical energy, is the answer.
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what organisms make up the ecological community identified
Answers
An ecological community is made up of different types of organisms in a place. An ecological community is a trophic structure made up of trophic compartments and is the collection of organisms in groups that feed and are devoured by one another from a theoretical systems perspective (food chain and food web).
A forest community is made up of all of the trees, the plant community, birds, squirrels, deer, foxes, fungi, and fish in a forest stream, insects, and any other local or seasonal species.
What about organisms?A living human, plant, or animal that is capable of carrying out life's processes thanks to organs with unique roles but interdependent relationships. Something with numerous connected pieces that work as a unit.Humans are most often biologically similar to other living things. A living creature that has an organized structure, is capable of responding to stimuli, can reproduce, develop, adapt, and preserve homeostasis is referred to as an organism. Therefore, every animal, plant, fungus, protist, bacterium, or archaeon found on Earth would be considered an organism. Taxonomy separates species into protists, bacteria, and archaea, which are unicellular microorganisms, or multicellular animals, plants, and fungi. Although there are about 30 trillion human cells in every human body, there are also an estimated 39 trillion microbial cells, including bacteria, viruses, and fungus, that live on and inside us. This is known as our microbiome. The parts fit and function as a unit because they are organized. Therefore, living objects are referred to as organisms. The genetic makeup of the cell, or DNA, regulates how the cell behaves.Learn more about organisms here:
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Classify the planets based on their composition
Answers
Answer:
1.Mercury
2.Venus
3.Earth
4.Mars
5.Jupiter
6.Saturn
7.Uranus
8.Neptune
The most important initial treatment for a child in respiratory failure due to suspected croup is:?
Answers
The most important initial treatment for a child in respiratory failure due to suspected croup is airway management and oxygen therapy. Croup is a viral infection that causes swelling of the upper airway.
The primary goal of treatment is to ensure a patent airway and provide adequate oxygenation. This may involve interventions such as humidified oxygen administration, positioning to maximize airway patency, and close monitoring of the child's respiratory status. In some cases, nebulized epinephrine or systemic corticosteroids may be used to reduce airway inflammation and improve symptoms. Timely and appropriate intervention is crucial to prevent further respiratory compromise and support the child's recovery.leading to symptoms such as barking cough, stridor, and respiratory distress.
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difference between paw paw and tomato
Answers
Answer:
❥ Ripe pawpaws give off a wonderful fruity aroma. If the pawpaw does change color, it will likely turn a lighter shade of green, possibly with some yellowing. A more reliable indicator is feeling. The fruit will begin to feel softer, much as a peach or avocado.
❥ Your ripe tomato will give slightly to the touch. It shouldn't be soft but rather a little tender. Because tomatoes ripen from the inside out, this is a good indicator that it's ready.
How does evolution work to create the diversity of life on Earth?
Answers
Answer:
People adapt and mate with others
Explanation: