What term describes the 20 building blocks of proteins, nine essential?

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Multiple Choice

What term describes the 20 building blocks of proteins, nine essential?

Explanation:
Proteins are built from amino acids, the monomers that join together to form peptide chains. There are twenty standard amino acids used to make human proteins, and nine of them are essential because the body can’t synthesize them in enough amounts and they must come from the diet. So the term described here is amino acids. Hemoglobin is a protein, an enzyme is a type of protein that catalyzes reactions, and a hormone is a signaling molecule; none of these are the building blocks themselves.

Proteins are built from amino acids, the monomers that join together to form peptide chains. There are twenty standard amino acids used to make human proteins, and nine of them are essential because the body can’t synthesize them in enough amounts and they must come from the diet. So the term described here is amino acids. Hemoglobin is a protein, an enzyme is a type of protein that catalyzes reactions, and a hormone is a signaling molecule; none of these are the building blocks themselves.

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