Humans can synthesize 13 of 21 basic amino acids; the remaining 8,which must be included in the diet,are called:
A) enzymes.
B) essential amino acids.
C) structural proteins.
D) peptide bonds.

Question

Quizplus · Accepted Answer

The remaining 8 amino acids that must be included in the diet are called essential amino acids, as they cannot be synthesized by the human body and must be obtained from food sources. Choices A and C are incorrect, as enzymes and structural proteins are not the same as essential amino acids. Choice D is also incorrect, as peptide bonds refer to the chemical bonds that link amino acids together to form proteins.

Humans Can Synthesize 13 of 21 Basic Amino Acids; the Remaining