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dolphi86 [110]
3 years ago
11

1. What is the role of a receptor in helping an

Biology
1 answer:
Sunny_sXe [5.5K]3 years ago
3 0

Answer:

b

Explanation:

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What is the importance of crossing-over?
nikklg [1K]

Answer:

b.It increases the likelihood that daughter cells contain different genetic material.

Explanation:

Morgan and Cattell for the first time used the term ‘crossing over’.  Crossing over takes place during prophase I of meiosis. During crossing over, chromosome segments of non-sister chromatids of homologous chromosomes get exchanged. As a result, the daughter cells acquire different genetic materials. Thus, it provides genetic variation by creating a new combination of genes or get recombination and produces hybrids.

3 0
3 years ago
Which is used to make many copies of DNA?
boyakko [2]

Answer: B. Nuclear transfer!

Explanation:

Nuclear transfer is the process that DNA goes through to get cloned/copied. The cells that make new forms of DNA create a perfect replica.

Hope this answer helps!

7 0
3 years ago
The diamond-shaped region between the lower appendages is called the
Pani-rosa [81]
<span>The correct answer is "the perineum" This is the correct answer because it boarders the pubic symphysis anteriorly, the coccyx posteriorly, and both ischial tuberosities laterally.</span>
5 0
2 years ago
Describe three waves that you could observe waves changing direction in an indoor swimming pool
shusha [124]

Answer:

Refraction is the change in direction of waves that occurs when waves travel from one medium to another. Refraction is always accompanied by a wavelength and speed change. Diffraction is the bending of waves around obstacles and openings.

7 0
2 years ago
Hen there is a cut in the skin and bacteria enter the body, the immune system responds. First, macrophages approach the area of
Semenov [28]

Correct answer: B). The phagocytotic barrier, which is a part of innate immunity

The scenario represents the phagocytosis, which is a type of endocytosis by which the cell engulfs microbial pathogens. The main cells of the immune system that are involved in phagocytosis include macrophages, neutrophils, and dendric cells.

It is a mechanism which is used by the immune system to kill and processing of antigen that play an important role in innate immune response.

Hence, the correct answer would be option B.

4 0
3 years ago
Read 2 more answers
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