How do transposons and retrotransposons differ in how they move around in a genome? a. Transposons move by viruses and retrotransposons move by plasmids. b. Transposons move by means of a DNA intermediate and retrotransposons move by means of An RNA intermediate. c. Transposons move by means of a RNA intermediate and retrotransposons move by means of an DNA intermediate. d. Transposons move by viruses and retrotransposons move by bacteria.

Answers

Answer 1

Transposons and retrotransposons differ because transposons move with the help of a DNA intermediate and retrotransposons move with the help of an RNA intermediate. So the correct option is B.

What are retrotransposons?

Retrotransposons are an extremely unique and notable group of transposons or transposable elements. They constitute large percentages of the genomes of most eukaryotes.

Retrotransposons demonstrate a “copy and paste” mechanism for their functioning. This is because they generate a new copy and leave behind the original copy. They insert the new copy somewhere else in the genome.

Through this process insertion of repetitive sequences of DNA occurs throughout the genome. This is the mechanism that is responsible for a wide spread of the transposable elements in so many higher organisms.

Therefore the correct option is B.

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Related Questions

The notion that the traits that help a species survive and reproduce are passed along more frequently than those that do not (i.e. differential reproduction and adaptation) is known as

Answers

Answer:

Natural selection

Explanation:

According to  Darwin's theory, natural selection is the process by which individuals better adapted to their environments have more chances to survive and reproduce, and thereby their descendants will be better represented in the next generation. This mechanism exploits the existence of natural variation among members in the population which is used to select those individuals that are better adapted (i.e., with a higher adaptive fitness) for their environments. Natural selection is a key mechanism of evolution by which species change across time.

Which of the following concerns is most strongly represented in the European Food Safety Authority's concerns regarding the use of GMOS?
A. ecological factors
B. political factors
C. economic factors
D. human and animal safety factors

Answers

'Human and animal safety factors' is most strongly represented in the European Food Safety Authority's concerns regarding the use of GMOS.

What do you mean by Food Safety?

Food safety is the practice of handling, storing, and preparing food in a way that prevents foodborne illness. It is important to ensure that food is safe to eat by following proper food safety guidelines for handling, storing and preparing food, as well as taking measures to prevent food contamination and cross-contamination.

The European Food Safety Authority (EFSA) takes into account the safety of both humans and animals when considering the use of GMOs. EFSA's concern for human and animal safety factors is reflected in the risk assessment process they undertake when considering the use of GMOs. This risk assessment process considers any potential risks to human health and animal health and welfare, as well as any potential environmental impacts due to the use of GMOs. EFSA's risk assessment process also considers the potential benefits of using GMOs and the potential risks associated with not using them. By taking into account both human and animal safety factors, EFSA can ensure that any potential risks associated with the use of GMOs are adequately identified and addressed.

Hence, the correct option is D.

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1. What is the name of the random
movement of molecules?


Active transport

Diffusion

Osmosis

Answers

The name of the random movement of molecules is called Diffusion.

PLEASE HELP AM HAVING A MENTAL Breakdown!!!


What enzyme opens up in the DNA into two single strands ?

PLEASE HELP AM HAVING A MENTAL Breakdown!!! What enzyme opens up in the DNA into two single strands ?

Answers

Answer:

DNA helicase

Explanation:

The image of this question shows the replication of DNA into two identical copies. However, before this occurs, the double-stranded DNA needs to be unwound or separated so that each single strand can serve as a template for a new strand.

An enzyme called DNA helicase is responsible for the separation of the DNA molecule into single strands. After which, DNA polymerase begins to add nucleotides to each single strand of DNA.

After the commission of a violent crime will a thorough cleaning of all surfaces previously covered in blood help to hide this type of evidence?

Answers

No. It is impossible to completely remove all traces of blood from a surface after a violent crime. Even after a thorough cleaning, certain forensic tests can detect traces of the blood left behind.

Acid-Base Balance Cases pH = 7.50 CO2 = 47 HCO3- = 32 Is it acidosis, alkalosis or neither? Is the problem respiratory or metabolic in nature? Metabolic in nature. Is there any compensation occurring? Has the body tried to fix the problem?

Answers

answer and explanation

this question required us to interpret the atrial blood gas data provided.

from the information provided, this case is a case of alkalosis because the pH reading is 7.50. pH values less that 7.35 indicate acidosis and pH levels greater that 7.45 indicate a case of alkalosis.

this is a metabolic alkalosis because the HCO3 value is greater than 22 and it is fully compensated because of the high CO2

Goal

Investigate the optimal amount of foliage for the red, short furred slinquettes' population.



My Hypothesis

If I change the foliage so it increases, then the final number of slinquettes with red, short fur will increase.


My Analysis

Now that you have collected and analyzed your data, you will write an argument that explains how your experiment answers your question. There are three parts: claim, evidence, and reasoning.

hide data


My Evidence


Trial # Fur Color Mutation Fur Length Mutation Foliage Temperature Final Number of Slinquettes Red, Long Fur Final Number of Slinquettes Red, Short Fur Final Number of Slinquettes Green, Long Fur Final Number of Slinquettes Green, Short Fur

1

lots mild

not present

0


endangered

1


not present

0


not present

0


3

lots mild

not present

0


endangered

1


not present

0


not present

0


4

lots mild

not present

0


endangered

1


not present

0


not present

0


5

lots mild

not present

0


endangered

1


not present

0


not present

0


6

some mild

not present

0


surviving

6


not present

0


not present

0


7

lots mild

not present

0


endangered

1


not present

0


not present

0


8

some mild

not present

0


surviving

6


not present

0


not present

0





Claim


Write a sentence that states what you found out about the scientific question you just investigated. Provide enough detail so that a friend who did not do the experiment could learn from your description.






Evidence


Provide and describe scientific evidence from your data table that supports your written claim. Remember to provide enough detail so that a friend who did not do the experiment could learn from your description.


Reasoning


Explain why your evidence (what you wrote in Box 2) supports your claim (what you wrote in Box 1). Also, explain the scientific principles behind your reasoning. Remember to provide enough detail so that a friend who did not do the experiment could learn from your description

Answers

Answer:

Claim: Increasing the amount of foliage does not lead to an increase in the final number of slinquettes with red, short fur.

Evidence: The data table shows the results of eight trials where the amount of foliage was manipulated. In all trials, regardless of the amount of foliage (whether "lots" or "some"), the final number of slinquettes with red, short fur remained at 0. There were no instances where increasing the foliage resulted in an increase in the population of slinquettes with red, short fur.

Reasoning: The evidence from the data table supports the claim that increasing the amount of foliage does not lead to an increase in the final number of slinquettes with red, short fur. This suggests that the presence or absence of foliage does not have a significant impact on the population of slinquettes with red, short fur.

Based on the provided data, it is reasonable to infer that factors other than foliage, such as temperature, fur color mutation, and fur length mutation, may have a stronger influence on the population dynamics of slinquettes. These factors could be responsible for the observed patterns in the data.

It's important to note that the reasoning provided here is based solely on the given data and analysis. In a real scientific investigation, additional factors, experimental controls, and statistical analysis would be required to draw definitive conclusions.

Hi, I want to know what tract means in biology. Pls, elaborate on that.

Answers

Answer:

Tract is the system of body parts , they perform functions together .

Explanation:

A Scientific tract , designed for instruction and entertainment, and adapted to schools, lyceums and families.

What are the functions of the digestive system?

Answers

Answer:

The function of the digestive system is digestion and absorption.

Explanation:

Digestion is the breakdown of food into small molecules, which are then absorbed into the body.

Many years ago, tree-climbing, leaf-eating iguanas migrated from the mainland of South America to the Galapagos
Islands. The only food available was algae that grew on the rocks in the water near shore. Scientists believe that
the iguanas that survived were those that could swim well, cling to slippery rocks with large claws, and eat a new
diet. What type of adaptation is this?
A. Crossbreeding
B. Natural selection
C. Selective breeding
D. Occasional mutation

Answers

Answer:

Option: B

Explanation:

The type of adaptation described in the scenario is B. Natural selection. Natural selection refers to the process by which individuals with favorable traits or adaptations are more likely to survive and reproduce, leading to the passing on of those traits to future generations. In this case, the iguanas that were able to swim well, cling to slippery rocks, and adapt to a new diet of algae were the ones that survived in the new environment of the Galapagos Islands. Over time, these traits became more common in the iguana population as they were advantageous for their survival in that particular habitat.\(\)

what is true about scientific inquiries

Answers

It is testable extends beyond development of process skills such as observing, inferring, classifying, predicting, measuring, questioning, interpreting and analyzing data

If we pric a plant and an animal cell, which one of them would lose its shape and why?

Answers

Answer:

Explanation:the animal cell would lose its shape as the plant cell has a cell wall which gives shape and protection but the animal cell don't have a cell wall.


What evidence do you have that living organisms require
non-living things?

Answers

Explanation:

Human Life is evidence. We need chairs to sit, tables to lay our hands on, spoons to eat and so on.

NEED HELP ASSAAPP!!!! 2. What protein changes shape in sickle cell anemia? What are two effects of this change?

Answers

Answer:

Hemoglobin

Explanation:

Hemoglobin is a protein in red blood cells that carries oxygen throughout the body. With SCD, the hemoglobin forms into stiff rods within the red blood cells. This changes the shape of the red blood cells. The cells are supposed to be disc-shaped, but this changes them into a crescent, or sickle, shape.

The sickle-shaped cells are not flexible and cannot change shape easily. Many of them burst apart as they move through your blood vessels. The sickle cells usually only last 10 to 20 days, instead of the normal 90 to 120 days. Your body may have trouble making enough new cells to replace the ones that you lost. Because of this, you may not have enough red blood cells. This is a condition called anemia, and it can make you feel tired.

The sickle-shaped cells can also stick to vessel walls, causing a blockage that slows or stops the flow of blood. When this happens, oxygen can't reach nearby tissues. The lack of oxygen can cause attacks of sudden, severe pain, called pain crises. These attacks can occur without warning. If you get one, you might need to go to the hospital for treatment.

The various characteristics of organisms that result from their genetic makeup are collectively referred to as an organism's ________. genotype genome alleles phenotype proteome

Answers

The various characteristics of organisms that result from their genetic makeup are collectively referred to as an organism's genotype.

Genotype refers to the genetic makeup of organisms, and It describes an organism's complete set of genes. A genotype of organisms is its complete set of genetic material. The genotype determines the limitations of an individual from embryonic and hereditary potentials.

DNA is a hereditary material in human beings and almost all other organisms. It is located in the cell nucleus, but a small amount of DNA can also be found in the mitochondria, which is also called mitochondrial DNA. DNA contains the code for building and maintaining an organism.

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In guinea pigs, white coat color is determined by the allele W. Black coat color is controlled by the allele w. Cross a white & black spotted pig with a black pig.

W = white

w = black

What percentage of the offspring will be black?

Answers

Answer:

About 75%

Explanation:

About 75% will have two ww alleles, while the rest will have Ww alleles.

75 percent I think that’s right

find an oxygen binding curve for myoglobin in your textbook. how would you describe the shape of this curve?

Answers

Hemoglobin has a sigmoidal curve, whereas myoglobin has a hyperbolic curve

I am confusion can someone help?

The recommendation is that 9 year-old children get 11 hours sleep a night.

A telomere from a child that gets 11 hours sleep a night is 8,000 nucleotides long.

How long would you expect a telomere to be in a child that gets 9 hours sleep a night?

Answers

Answer:

I believe it would be 6,000

The process involving the breakdown of organic substances found in dead matter is more likely related with: a. genetic engineering b. recombinant DNA c. bioremediation d. decomposition e. photosynthesis

Answers

The process involving the breakdown of organic substances found in dead matter is more likely related to decomposition.

Decomposition is the process of breaking down organic materials into simple components such as carbon dioxide, water, and minerals through the action of bacteria, fungi, and other microorganisms. Bioremediation is the method of using living organisms like bacteria, fungi, or plants to help clean up contaminated soil and groundwater. Bioremediation can be used to treat various contaminants, including hydrocarbons, heavy metals, pesticides, and other toxins. For example, bioremediation can be used to remove oil spills, reduce the concentration of heavy metals in soils, and treat wastewater. Thus, option c, bioremediation is related to cleaning up of contaminated soil and groundwater. The process of recombinant DNA involves creating new DNA sequences by combining segments from different sources, while genetic engineering is the manipulation of an organism's genes to produce a desired trait. Finally, photosynthesis is the process by which plants use sunlight to convert carbon dioxide and water into organic compounds, such as sugars and oxygen.

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how many atoms are present in one molecule of methane

A. 2

B. 3

C. 4

D. 5​

Answers

Answer:

2

Explanation:

A molecule of methane contains four hydrogen atoms and one carbon atom. It has the formula CH4. In some elements, small numbers of atoms of the same kind combine together to form a molecule. For example, oxygen in air is made up of molecules that contain two oxygen atoms.

Answer:

2

Explanation:

methane has 1 c and 1 H so totaly 2 molecule . i think it is clear

Do high percentages of sand particles contribute to high porosity or low porosity soil?

Answers

Answer:

No, high percentage of Sand particles don't contribute to high porosity. Water in sandy soil just passes through it because of larger pore diameter.

A high percentage of sand particles contributes to low porosity of soils.

What is porosity?

Porosity is a characteristic that determines the level of pores in soils.

When it comes to porosity, the component of soil with the highest is clay, followed by silt, and then sand.

Sand particles are large and leave little pores as compared to the particles of silt and clay which are smaller.

Thus, the more sand particles in soils, the lower the porosity.

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what are the advantages of the pds-extended (library) disk organization as compared to the older pds (partitioned organization (po))?

Answers

The pds-extended (library) disk organization has several advantages as compared to the older pds (partitioned organization (po)). The pds-extended has several advantages over the older pds, including larger member sizes, larger numbers of members, and better performance when accessing members.

First, the pds-extended allows for a larger number of members to be stored in a single library. This is because the pds-extended uses 64-bit addressing, which allows for a larger number of data sets to be stored. In contrast, the older pds uses 31-bit addressing, which limits the number of data sets that can be stored.

Second, the pds-extended allows for larger member sizes. The older pds has a limit of 16MB for each member, while the pds-extended has no such limit. This means that larger amounts of data can be stored in a single member, which can be beneficial for certain applications.

Third, the pds-extended allows for better performance when accessing members. This is because the pds-extended uses a more efficient directory structure, which allows for faster access to members. In contrast, the older pds uses a less efficient directory structure, which can result in slower access times.


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56) which of the following statements regarding fungi is false? a) most fungi are pathogenic for humans. b) fungi are eukaryotic heterotrophs. c) fungi reproduce by forming asexual or sexual spores. d) most fungi grow well in acidic culture condition. e) fungi tolerate low moisture conditions. 1/200

Answers

The false statement regarding fungi is that most fungi are pathogenic for humans.

Fungi are heterotrophic eukaryotic organisms that feed on organic matter. They are essential decomposers and play a vital role in nutrient cycling in the ecosystem. They can be unicellular, such as yeasts or multicellular, such as mushrooms. Fungi are distinct from other organisms in their mode of feeding. They cannot make their food like plants, so they absorb nutrients from other organisms. Fungi are categorized into different groups based on their mode of reproduction, habitat, and morphology. Most fungi are pathogenic for humans is a false statement regarding fungi. While some fungi are pathogenic to humans, most of them are not harmful. A few species of fungi are even beneficial to humans. For example, some fungi produce antibiotics like penicillin, which are used to treat bacterial infections. Some fungi are used in the production of bread, cheese, and beer.

So, the statement that most fungi are pathogenic for humans is incorrect. Fungi are eukaryotic heterotrophs: Fungi are eukaryotic, which means they have a membrane-bound nucleus and other organelles. They are also heterotrophic, which means they feed on other organisms. Fungi reproduce by forming asexual or sexual spores: Fungi reproduce either sexually or asexually. Sexual reproduction involves the fusion of two nuclei from two different individuals. Asexual reproduction, on the other hand, does not involve the fusion of nuclei. Instead, a single individual produces spores that develop into new individuals. Most fungi grow well in acidic culture conditions: Fungi can grow under a wide range of conditions. However, most fungi prefer acidic conditions. Some fungi can even tolerate extreme pH values. Fungi tolerate low moisture conditions: Fungi require moisture to grow, but they can tolerate low moisture conditions for a while. Some species of fungi can survive for years without water. However, most fungi grow best under moist conditions.

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Which organism(s) came first on your timeline? Explain the importance of the organism(s) and why you chose to place
the organism(s) first on your timeline:

Answers

Answer:

The roundworm C. elegans

Explanation:

The roundworm C. elegans became the first animal to have its genome sequenced, in 1998.Oct 4, 2017

The roundworm, C. elegans. The roundworm C. elegans got the first animal having genome sequencing, in 1998 Oct 4, 2017.

What is genome sequencing?

Whole genome sequencing, often referred to as complete genome sequencing, full genome sequencing, or entire genome sequencing, is the method of determining the complete or nearly complete DNA sequence of an organism's genome all at once.

Sequencing refers to setting the nucleotides in a specific order. A laboratory approach called entire genome sequencing identifies the sequence of nucleotides in an organism's genome all at once.

Therefore, genomic sequencing has been crucial in finding inherited diseases, describing the cancer-causing mutations, and monitoring illness epidemics.

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HELP PLSS!!
In your own words, explain how recombinant DNA techniques are used to produce medications.

Answers

Explanation:

Recombinant DNA technology enables us to change the physiology of a cell. Through this, we can produce many humanoid enzymes in other organisms... For example insulin.

What is one of the reactants for cellular respiration?
A. Glucose
B. Water
C. Carbon dioxide
D. Energy

Answers

Explanation:

The reactants for cellular respiration are Glucose and Oxygen, so the answer is A.

Answer:

oxygen and glucose.

Explanation:

oxygen and glucose are both reactants in the process of cellular respiration.

Question 7 of 22 Look at the diagram. It shows the main components in blood. What is component C? Enter your answer A B C D​

Question 7 of 22 Look at the diagram. It shows the main components in blood. What is component C? Enter

Answers

Answer:

Blood components

Explanation:

A - Red blood cells (erythrocytes)

B - White blood cells (leucocytes)

C - Platelets (thrombocytes)

D - Plasma

Bible! Why did John Mark leave the group?

Answers

to get to the other side

which part of the eye is responsible for bending light rays so that light can be focused on the retina?

Answers

The cornea reflects the light rays into the eye. On the other hand, the lens bends and focuses them into the retina. In essence, cornea reflects light rays, and retina focuses them. So it’s either cornea or lens depending on what they mean by “bending”.

Which of the following tissues is used in the formation of flowering plant organs?

1. Connective tissues
2. Vascular tissues
3. Epithelial tissues
4. Nervous tissues

Answers

I think the correct answer is 2. Vascular tissues .

Vascular tissues are the ones used in the formation of flowering plant organs. The correct option is 2.

What are vascular tissues?

Vascular tissue is a complicated conducting tissue found in vascular plants that is made up of multiple cell types.

The xylem and phloem are the primary components of vascular tissue. Internally, these two tissues transport fluid and nutrients.

These tissues also help in the formation of flowering plants.

Thus, the correct option is 2.

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the length of a rope is 5y meters.from one end of the rope, 2y meters have been cut and from the other end x meters have been cut will mark brainlest When the iodate ion is oxidized, the possible product(s) is(are): IO I02 I03 I04 Help please!!Find m The probability that any individual voter plans to vote for Trudeau is 31.01%. Assuming that everyone you will ask will truthfully answer your questions, calculate the probability, after asking 4 individuals that none of them say they will vote for Trudeau. Look at the table listing actions of prehistoric people.Selected Actions of Prehistoric PeopleFollowing herds of animalsBurying the dead with beadsClearing trees and bushesDomesticating animals for foodWhich actions indicate people were modifying their environment? Choose the TWO correct answers.A. Following herds of animalsB. Burying the dead with beadsOC. Clearing trees and bushesOD. Domesticating animals for food help me!!!!!!!I want to know if I am correct or not NO LINKS!! HELP!! 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