Question

All kinds of animal and plant proteins are made up of ______.

Answer 1

Answer:

Nitrogen or amino acids

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Answer 2

Answer:

Amino acids

Explanation:

Any food item that consists of these nine essential amino acids is considered to be a complete source of protein. The difference between animal and plant proteins lies in the number of amino acids present in them. A few of the animals products are complete sources of protein providing all nine amino acids.

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