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3 years ago

What are the functions of marker proteins, transport proteins, and receptor proteins?

2 answers:

8 0

Marker/Recognition proteins extend across the cell membrane and serve to identify the cell. The immune system uses these proteins to tell good cells from foreign invaders.

MrMuchimi3 years ago

5 0

Marker proteins extend across the cell membrane and serve to identify the cell.The immune system uses these proteins to tell friendly cells from foreign invaders. They are as unique as fingerprints. They play an important role in organ transplants.

Source: protein sequencing

https://www.creative-proteomics.com/services/sequence-analysis-of-peptides-or-proteins.htm

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Compare the practices of shelterwood cutting, clearcutting, and seed-tree cutting.

Kazeer [188]

Answer:

Clearcutting removes all the trees within a certain area at one time. Shelterwood cutting also removes all the trees in an area, but does it in stages over several years. Seed-tree cutting removes all the trees except for a select number of mature trees that can then reseed the area.

Explanation:

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3 years ago

Most of the animals in existence today had their origins during the:

frutty [35]

Answer: During the Cambrian Explosion of Animal Life

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3 years ago

Which term describes the chromosomal abnormality of having extra chromosomes?

Trava [24]

Polyploidy is the term that describes the chromosomal abnormality of having extra chromosomes.

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3 years ago

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Long-term activation by nuclear receptors differs from the more transient membrane receptor signaling for what reason

Rama09 [41]

I have no idea but i think because long term activation is long term rather than nuclear. this is wrong

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2 years ago

If I subtract 20 from my number, then square the result, I get the same answer as if I square my number, then subtract 20 from t

Natasha_Volkova [10]

The value of the unknown number is 10.5.

Let the unknown number = x

When 20 is subtracted from the number and the result is squared which is equal to the square of the unknown number minus 20:

(x - 20)² = x² - 20

<em>expand the equation;</em>

x² - 40x + 400 = x² - 20

<em>collect similar terms together;</em>

x² - x² - 40x = -20 - 400

-40x = -420

$x = \frac{420}{40}\\\\ x = 10.5$

Thus, the value of the unknown number is 10.5.

Learn more about word problem here: brainly.com/question/18336356

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2 years ago