Respuesta :

amberrose2989

Answer:

Amino acid

Explanation:

The basic building block of a protein is called an amino acid. There are 20 amino acids in the proteins you eat and in the proteins within your body, and they link together to form large protein molecules.

adenbaxley

Answer:

the main structural unit of protein is the acid amino.

Explanation:

they are used for growth and muscle repair

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