Histone genes, which evolve very slowly, would most likely be used to study
a. relationships among very similar species.
b. relationships within the same genera.
c. relationships among extinct organisms.
d. organisms that diverged long ago.
e. None of the above

Answers

Answer 1

Histone genes, which evolve very slowly, would most likely be used to study organisms that diverged long ago.

Histone genes, which develop very slowly, will be utilised to examine the connections between early and contemporary eukaryotic species. Given that histone genes are highly conserved and seldom diverge among distinct species, they can be an effective tool for establishing the evolutionary links between organisms that have undergone significant evolutionary separation.

By comparing the sequences of histone genes from various organisms, it is possible to examine the connections between various eukaryotic organism groups, including those of mammals, plants, fungi, and protists. This enables the construction of evolutionary trees that depict the links between various groups of creatures and the inference of the time at which various groups of organisms diverged from a common ancestor.

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Related Questions

What is the pairing of complementary strands of DNA due to hydrogen bonding called out of these options:
1. semi-conservative replication
2. helicase
3. DNA polymerase I
4. lagging strand
5. mitosis
6. Okazaki fragment
7. single-stranded binding proteins
8. leading strand
9. ligase
10. replication fork
11. template strand
12. primase
13. gyrase
14. annealing
15. DNA polymerase III

Answers

The pairing of complementary strands of DNA due to hydrogen bonding is called semi-conservative replication.

DNA replication

The biological process of creating two identical copies of DNA from a single original DNA molecule is known as DNA replication.  All living things replicate their DNA, which is the primary mechanism for biological inheritance. This is necessary for:

cell division during tissue development and repair, and it also guarantees that each new cell gets a copy of the DNA.

A double helix (two linear strands that run counterclockwise and twist together) of two complementary strands makes up DNA.

These strands are split apart in the replication process. The mechanism of semiconservative replication uses each strand of the original DNA molecule as a template to create its counterpart. The new helix will be made up of an original DNA strand as well as a freshly synthesized strand as a result of semi-conservative replication.

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The questions are on the photo and they must be met

Answers

Answer:

it is not clear visible to answer it

You have a pea plant with a yellow pea phenotype but do not know if the genotype is homozygous (YY) or heterozygous (Yy). What type of cross would you do determine the genotype of this plant and what would be the predicted phenotypes of the offspring?

Answers

Answer: given -->  a pea plant with a yellow pea phenotype.

Explanation:

if its is round in shape then its a homozygous but if it is wrinkled in shape then its type is heterozygous.

To determine the genotype of this plant, we can use double gene cross method taking two possibilities - round and yellow or wrinkled and yellow.

its predicted phenotype can be 1:3:3:1.

What theories did Isaac Newton use to describe the motion of the planets? Select all that apply.
periodic motion
laws of motion
law of ellipses
gravity

Answers

Answer: Newton developed a mathematical formulation of gravity that explained both the motion of a falling apple and that of the planets. He showed that the gravitational force between any two objects is proportional to the product of their masses and inversely proportional to the square of the distance between them.

Explanation:

Answer: laws of motion, gravity

Explanation:

They were the only theories that were his.

Sir Isaac Newton, an English mathematician and physicist, developed three laws of motion that helped explain why the planets move the way they do. He also developed the first widely accepted theory of gravity, which also explained why objects in the solar system move the way that they do.

Early in genetic research, it was suggested that the genetic code might be made up of overlapping codons in which the last two bases of one codon make up the first two bases of the next codon, as below:
mRNA codons
overlapping code GGUAUA 1st codon = GGU
2nd codon = GUA

nonoverlapping code GGUAUA 1st codon = GGU
2nd codon = AUA

Supposing it were discovered that, in a life-form from another planet, even a single base pair substitution in the DNA caused three adjacent amino acid changes in the protein coded for. Would you conclude that the code was overlapping or nonoverlapping? Explain your logic.

Answers

The genetic code is called non-overlapping because adjacent codons can not overlap, whereas in this case, the code is overlapping.

What does 'overlapping code' mean?

The genetic code does not overlap because the same nucleotide in the sequence cannot be used to encode two different codons.

In genetics, overlapping refers to a feature of the genetic code associated with how this nucleotide code is read.

In conclusion, the genetic code in this case is overlapping.

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.
Explain whether drivers should be subject to a usage tax if their vehicles contribute more emissions
to the atmosphere.

Answers

The purpose of a carbon tax is to remember the true cost of burning carbon. Those costs are paid by those who suffer from the effects, such as homeowners, farmers, and ultimately the government.

Carbon taxes make sure businesses and consumers pay for the external charges they inflict on society.

How might tax be used to reduce emissions?

Under a carbon tax, the government sets a price that emitters must pay for each ton of conservatory gas emissions they emit.

Companies and consumers will take steps, such as switching fuels or adopting new technologies, to lower their emissions to avoid paying the tax.

What should you do when more CO emission from vehicles?

Drive Less

Hike or bike when you can.Use the bike-share schedules if your city or town has them.Take public transit when attainable.Carpool with friends rather of driving alone.Use ride-sharing assistance.

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Which is a way that the amount of
competition between organisms can be
reduced?
A. Introduce more organisms that occupy the same niche
into the environment
B. Deplete an environment of its natural resources
C. Have organisms occupy different niches
D. Nothing, the organisms will eventually stop competing
for resources

Answers

d nothing the otgansims eill eventually stop

how are bacteria classified on the basis of flagella??​

Answers

Answer:

Explanation:

Based on their arrangement, bacteria are classified into four groups: monotrichous (having one flagellum), amphitrichous (single flagellum at both ends), lophotrichous (numerous flagella as a tuft), and peritrichous (flagella distributed all over the cell except at the poles).

Pls thank me :(

What does this graph tell you about the concentration of salt inside the cell?

Answers

The concentration of salt inside the cell was lower than the concentration of salt in the salt water, since the cell got much smaller in size due to water outward movement.

What is osmosis?

Osmosis is the movement of water molecules through a semi-permeable membrane from regions of low solute concentration to regions of high solute concentration.

If salt concentration is higher inside the cell than outside, water will move into the cells. However, if the salt concentration outside the cell is higher, water will move out of the cells.

The cell became smaller, indicating that water moved out of the cell.

Thus, the salt concentration in the cell was lower inside the cell.

In conclusion, water moved out of the cell by osmosis.

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/Written answers for these questions by 7/23?? will vote brainiest!! Just don't have a lot of time for this on top of my other classes :(

Pro tip: dont take 6 summer classes.

Answers

Cell division is the process by which a parent cell divides into daughter cells.

Why is cell division important?

Cell division is important as it helps in the production of identical copies of cell. It also helps in repairing the damaged tissues or cells that are worn out.

The difference between mitosis and meiosis is that mitosis results in two identical daughter cells while meiosis results in four se-x cells.

Mitosis creates diploid daughter cells while meiosis creates haploid daughter cells.

Lastly, the four main phases of cell division include prophase, prometaphase, metaphase, anaphase, and telophase.

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Question:

1. Give two main reasons why cell division is important.

2. What is the difference between mitosis and meiosis.

3. List the four main phases of cell division during mitosis.

Which of the following choices would be most effective to reduce “bad” ozone
A. Eliminating large-scale farming.
B. Decreasing vehicle traffic and industrial emissions.
C. Increasing the surface temperatures of the Earth.
D. Reducing ocean evaporation.

Answers

Answer:

Option B.

Explanation:

Decreasing vehicle traffic and industrial emissions.

B. Decreasing vehicle traffic and industrial emmisons.
As NASA explains, “Ground-level, ’bad,’ ozone forms when nitrogen oxide gases from vehicles and industrial emissions react with volatile organic compounds

Based on the Punnett square above, what is the probability that an offspring from this cross will have a completely heterozygous genotype for both traits ?

A. 50%
B. 25%
C. 12.5%
D. 6.25%

Answers

Answer:

A) 50%

Explanation:

Boxes 2 and 3 are heterozygous because solving the punnet square results in those boxes being Tt

Why is the sympathetic nervous system referred to as the fight or flight system?

Answers

As you can see from the diagram below, the human nervous system is divided into two main components, the peripheral nervous system and the central nervous system.

The peripheral nervous system is further divided into two components. The somatic nervous system involves the voluntary movement of skeletal muscle. When you decide to raise your cup of coffee to your mouth, that is the somatic nervous system at work activating the appropriate muscles. The second component of the PNS is the autonomic nervous system, which controls processes that are out of our conscious control.

The autonomic nervous system is further subdivided into the parasympathetic nervous system and the sympathetic nervous system (which you are interested in). In very generalized terms, they have antagonistic effects on each other. The sympathetic nervous system generally activates the body, whereas the parasympathetic nervous system primarily acts to relax the body. This is a simplified view of things, but it is useful to think of it in this way.

The sympathetic division of the autonomic nervous system increases heart rate, inhibits digestion, relaxes bronchi in the the lungs to allow more airflow, causes the release of glucose from the liver, and relaxes the bladder. All of this activates the body, prepares it for a "fight".

In contrast, the parasympathetic division reduces heart rate, constricts bronchi in the lungs, and increases blood flow to the digestive tract. It has been called the "rest and digest" system.

As you can see from the diagram, the nerves of the parasympathetic nervous system come directly from the brainstem and spinal cord. However, with the sympathetic nervous system, there are "ganglia" (groups of cell bodies) outside the spinal cord itself.

Interestingly, the parasympathetic nervous system only uses Acetylcholine (ACh) to exert its effects on organs, but the sympathetic nervous system uses both ACh and norepinephrine (NE) to activate the body.

Its important to remember that the sympathetic and parasympathetic nervous systems are autonomic, meaning we generally have little control over them.

A farmer stopped maintaining a field that was once used to grow crops. Over time, the field eventually became a forest. These changes best illustrate the process of

Answers

These changes best illustrate the process of plants.

The kingdom Plantae contains eukaryotes that are mostly photosynthetic. Algae and fungi were once included in the plant kingdom, which historically included all other living creatures save animals. However, prokaryotes, fungi, and some types of algae are not included in any modern definitions of the Plantae.

Plants are essential to the ecology because they help with the nitrogen cycle, prevent soil erosion, and participate in the water cycle. Although they also create oxygen, plants are a significant source of food. For humans to exist, it is essential that plants flourish.

One of the simplest methods to enhance the environment and enhance your surroundings is to plant a tree. Plants help to prevent soil erosion by filtering contaminants, absorbing carbon dioxide, and releasing oxygen. It will also assist to lessen your carbon footprint if you plant a few trees.

hence, The farmer ceased preserving the land because plants grew over time.

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What is it called when scientists explore the world around them?
A Peer Review
B Making observations
C Scientific disagreement
D Forming a hypothesis

Answers

The answer i know is scientific method

Answer:

B

Explanation:

in order to explore and to discover you will need to observe how things work. for instance, watching an apple fall from a tree is an observation that proves an external force (gravity) which causes the apple to fall downward.

Which two seasons is Earth experiencing at positions "A" and "C" in its orbit around the Sun?
winter and summer
spring and summer
spring and autumn
winter and autumin

Answers

Answer: Spring and autum

Explanation: got it right on my test

In this type of passive transport, materials may have their movements helped by membrane proteins.
Facilitated diffusion
Simple diffusion
Simple diffusion
Exocytosis

Answers

Facilitated diffusion. Hope this helps:))

The crossover frequency between genes E and F is 6%, between E and G is 10% and between F and G is 4%. Construct a gene map. Determine the sequence of genes on the chromosome.

Answers

EFG...because G and E are furthest from each other, and F is closer to G than to E so this is the sequence of genes on a chromosome.

A  sequence of genes is the entirety of an organism's genetic material, according to the areas of molecular biology and genetics. It is made up of DNA nucleotide sequences (or RNA in RNA viruses). Knowing the placement of the four chemical "bases," or building components, that make up the DNA molecule is known as sequencing of DNA.

The sequencing of DNA reveals to researchers the type of genetic data that is stored in a certain DNA segment. The basic building block of heredity, the gene, is situated over a particular chromosomal location. A chromosome contains thousads of DNA strands that each encode a number of different genes.

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Which muscle is highlighted below?
O A. Latissimus dorsi
• B. Rectus abdominus
O C. Biceps brachii
O
D. Obliques
SUBMIT

Answers

The muscle is highlighted below is Obliques.

What is an oblique muscle?

The oblique muscles are those located on the sides of the abdomen. They are divided into: external oblique muscle, internal oblique muscle and transverse muscle. The external muscle is the largest and most superficial of the three. It lies under the skin of the thoracic and abdominal regions.

Its direct action is flexion, lateral bending and contralateral trunk rotation. The internal oblique muscle is located deep to the external oblique and originates from the inguinal ligament, iliac crest, and thoracolumbar fascia.

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look at the picture

Answers

I will leave your question unanswered. Thanks for the points I stole from you!

The measure of how stretched out an ellipse is, is referred to as ____.
A. Gravity
B. Weight
C. Mass
D. Eccentricity

Answers

D because of how its formed

D. The measure of how stretched out an ellipse is, is referred to as eccentricity.

What is eccentricity of ellipse?

Eccentricity for an ellipse is the ratio of the length of the semimajor axis (a) to the distance (c )between the ellipse's center and each focus.

e = c/a

The greatest ellipse has the smallest eccentricity, whereas the perfect circle has the maximum eccentricity. The eccentricity of an ellipse e, which ranges from 0 (the limiting case of a circle) to 1 (the length of the ellipse), is used to determine how long it is (the limiting case of infinite elongation, no longer an ellipse but a parabola). Because the distance from the fixed point on the plane has a constant ratio that is less than the distance from the fixed line on the plane, the eccentricity of an ellipse ranges from 0 to 1.

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Please match the correct term to the definition or region. 1. Pelagic Environment

Answers

Pelagic Environment; The upper neritic zone of the pelagic ecosystem. Phytoplankton may be supported at depths up to 150 meters below the surface. This is further explained below.

What is Pelagic Environment?

Generally, The whole water column is considered to be part of the pelagic ecosystem.

In conclusion, The availability of nutrients and dissolved oxygen, as well as the presence or lack of sunshine, water temperature, salinity, and pressure, influence the distribution of pelagic life in different regions and at different depths.

CQ

The pelagic environment comprises the entire water column. Of all the inhabited environments on Earth, it is by far the largest and most diverse.

Please match the correct term to the definition of region

a. Zooplankton

b. Pelagic environment

c. Oarweed

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If gametes were diploid like somatic cells, how many chromosomes would the zygote contain?.

Answers

If the gamete were diploid like somatic cell, zygotes would contain twice  of diploid number of chromosomes.

what is zygote?

A zygote is a type of eukaryotic cell created when two gametes fertilize one another.

An organism's reproductive cells are called gametes.

They are additionally known as sex cells.

Male gametes are referred to as sperm, whereas female gametes are known as ova or egg cells.

During fertilization both male and female gametes are fused to form zygote. chromosome of both gametes are fused in zygote.

If gametes have diploid number of chromosome then zygote would have twice of diploid number of chromosomes that is chromosome number of two gametes.

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what is biographies ​

Answers

Biography is the study of life and living organisms.

What is Biography?The biographies are organized chronologically, are not centered around an evolutionary approach, and can be read in any order.The grouping starts with Carl Linnaeus (1707–78), who presented a still-valid terminology for classifying organisms. As well to massive productivity, Linnaeus maintained ingenious inventions. As a physician, he told that infectious diseases such as smallpox, measles, dysentery, syphilis, and plague might be caused by very small organisms. This was long before microscopes allowed us to see these pathogens. The idea must have said quite bold to his contemporaries, who used scents as protection against disease.

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Identify Organelles in a Plant Cell
identity the organelles in the cell.
Label A
chloroplast
Label B
vacuole
Label C
cell wall
Label

Answers

Answer:

No image of the cell has been provided.

Explanation:

Answer:

Label A

✔ Vacuole

Label B

✔ Cell wall

Label C

✔ Chloroplast

Label D

✔ Mitochondrion

Explanation: this is right on endgenuity, i just completed this question.....hope this helps! (but keep in mind our picture may be labled different so im sry in advance)

Describe and Identify 5 Planktons

Answers

Planktons are organisms which are known for their small structure and inability to swim against water current.

What is a Plankton?

These are organisms in water which are divided into two known as:

Phytoplankton- These are are autotrophic prokaryotic or eukaryotic algae.Zooplankton - These are small protozoans or metazoans.Mycoplankton- These include fungus organisms.Bacterioplankton - These include bacteria and archaea.Virioplankton - These include viruses.

They are usually non motile hence the reason why they are easily carried by ocean tide and current.

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How much faster than normal extinction have humans caused extinction rates to climb?

Answers

atleast 1,000 times or more.

What do you understand by the term cell diversity

Answers

Answer:

cell type diversity refers to range of different cells types that comprise a tissue organisms cell type diversity during the diploma of the nervous system as a result of act of the cell instructing and extractic factors controlling sulphate determination hope the answer will be helpful for

In the lab, you will simulate birds with three different beaks.After watching the birds feed, you will remove fruit to stimulated a change in the environment. what question are you answering by doing this observation? Write it by filling in the blanks below.
What is the effect of…

Answers

Answer:

... removing fruit in the environment?

Explanation:

So, generally when talking about birds with different beaks, you're talking about Darwin's theory of evolution. Now, in his experiment, he observed what happened when different food sources were added or removed, and the result was evolution. The answer of the question would most likely be evolution, because of "survival of the fittest", but the question you are answering is most likely "What is the effect of removing fruit in the environment?"

Which curve indicates the most toxic substance?

Answers

dose-response curve. A steep dose-response curve is indicative of a chemical that is rapidly and extensively absorbed and slowly detoxified: therefore, the chemical is more toxic.

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