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Inga [223]
2 years ago
13

Select the correct statement about gene flow.

Biology
1 answer:
dmitriy555 [2]2 years ago
6 0

The correct statement about gene flow is the following:

  • Gene flow makes allele frequencies more similar between populations.

<h3>What is gene flow?</h3>

It is the process of gene exchange between two populations of the same species, as a result of migration.

<h3>Characteristics of gene flow</h3>

  • It involves the spread of new genetic variants between different populations.

  • It causes changes in the allelic frequencies of both populations and is a possible cause of evolution.

Therefore, we can conclude that gene flow is an evolutionary mechanism that involves the movement of genes from one population to another.

Learn more about gene flow here: brainly.com/question/17190749

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The new gene scientists added to Caldicellulosiruptor bescii that is transcribed and translated to produce an enzyme named bifun
mr Goodwill [35]

Answer:

<em>It acts as a catalyst, lowing the activation energy and speeding up a reaction.</em>

Explanation:

The acetaldehyde alcohol dehydrogenase is used to turn acetaldehyde to ethanol.

In the end it releases 2ATP. Yet it has not given energy in the reaction under any conditions to carry it to fruition.

This merely decreases the reaction's activation energy and favors its operation within physiological circumstances.

8 0
3 years ago
What two systems regulate the activities of all the systems that make up the human body?
emmainna [20.7K]
Musculoskeletal system and <span>Respiratory system.</span>
4 0
3 years ago
1. Is sneezing and coughing on clothes better than using tissue paper?
Rom4ik [11]

Answer:

1. no because the bacteria will stik on your clothes

2. yeah

7 0
3 years ago
Which capillary would be least likely to allow substances to enter or exit the blood due to tight junctions that join the endoth
vodka [1.7K]

Answer:

Those capillaries that have endothelial cells tightly attached have an increase in cell-to-cell junctions, such as desmosomal junctions that are poorly permeable to substances.

These capillaries generally function as conductors or collectors and not as permeabilizers like the pulmonary capillaries that are fenestrated and allow a high passage of substances and gases.

The capillaries are waterproof and prevent the passage of substances or fluids such as in the blood-brain barrier that is very selective

Explanation:

The blood-brain barrier is too selective since it is not favorable for the organism that many fluids, drugs, substances or chemical compounds enter the brain space.

This is the reason why the vessels are waterproof and why pharmacology was challenged to invent drugs that could cross this barrier since it was considered impossible.

An example is dopamine, which in parkynson's disease the levo group is added to dopamine, thus forming levodopamine as a product, this is the only way that the drug crosses the blood-brain barrier and can pass the impermeable barrier generated by capillaries with endothelial cells that are close to each other or closely linked

7 0
3 years ago
What’s the answer???
Doss [256]

Answer:

1st question: i thinks its false

2nd: false

3rd: A and D im pretty sure

Explanation:

Lysosomes are membrane bounded organelles found in animal and plant cells. They vary in shape, size and number per cell and appear to operate with slight differences in cells of yeast, higher plants and mammals. Lysosomes contribute to a dismantling and re-cycling facility.

hope this helped! :D

4 0
3 years ago
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