4. the bond that joins amino acids in a protein chain is called a:

QUESTION IMAGE

Question

the bond that joins amino acids in a protein chain is called a:

Explanation:

Brief Explanations

A peptide bond is formed when the carboxyl group of one amino acid reacts with the amino group of another amino acid, releasing a molecule of water. This is a condensation reaction. In a protein chain, amino acids are linked together by peptide bonds.

Answer:

Peptide bond.