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Marianna [84]
3 years ago
13

Why are marker proteins important in organ transplants?

Biology
1 answer:
dedylja [7]3 years ago
7 0

Answer:

Marker proteins are proteins that are incorporated in the cell membrane of a cell and based on these marker proteins a cell is identified. These proteins are very important while considering an organ transplant. If the marker proteins of the donor organ are not similar to the marker proteins of the original organ of the patient, then the immune cells will recognize the organ as foreign and the transplant will be rejected.

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asambeis [7]

Answer:

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3 years ago
The graph above was made by a South American biologist in the country of Brazil, after a long study on parrots. About 200 years
hoa [83]
This question is unfortunately incomplete as the graph is not visible. The options given are:
<span><span><span><span>A) Red parrots have become less common in the last 200 years.</span> </span> </span></span>

B) There are probably less green parrots today than there once were.

<span><span><span> </span> </span></span>

C) Blue parrots probably are the best adapted species to live on farms.

<span><span><span> </span> </span></span>

D) The blue parrot population has likely increased in the last 200 years.


The answer is B. This is because the graph shows the highest number of green parrots in the 'deep forest' category of environment, whereas the numbers in the 'grassland' and 'scrub forest' are less. Since the forested area in Brazil has decreased rapidly, this means that the preferred environment of the green parrot has decreased, probably resulting in a decline in the green parrot population

<span><span><span> </span> </span></span>
7 0
4 years ago
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3 years ago
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