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Anastasy [175]
3 years ago
9

In what trophic level do most humans belong? And why?

Biology
1 answer:
klio [65]3 years ago
8 0

Answer:

Not all humans belong to the same trophic level. This is due to the dietary choices each human makes.Next come the omnivores that eat a mixture of plants and herbivores. That's where humans rank, with a trophic level of 2.2.

Explanation:

Many humans are omnivores, meaning they consume both plant and animal material. Thus, they may be on the third or even fourth trophic level. For example, if you consume beef (cows are herbivores), you are a part of the third trophic level. If you were to eat salmon though, salmon consume other fish, and this would mean you are a tertiary consumer on the fourth trophic level.

Vegans and vegetarians who do not consume fish or meat of any kind are primary consumers. They belong on the second trophic level.

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Answer:

a

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antigen processing involves the breakdown of protein antigens and the subsequent association of peptide fragments on the surface
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Antigen is any foreign particle or molecule that can trigger a n immune response in the body.

After the body encounters the antigen cells like macrophages, B cells and dendritic cells will recognise and destroy them. The parts of the antigen will be presented by the macrophages to the T cells and hence they are also called Antigen presenting cells.

Antigen presenting cells will showcase the antigen or its part to the T cells. This is done with the help of a protein called major histocompatiblity complex or MHC complex proteins.

MHC proteins are present on cell surface and holds the antigens to showcase them to T cells.

To learn more about antigen here

brainly.com/question/15694610

#SPJ4

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2 years ago
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Answer:

The correct answer is B.

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