Proteins are macromolecules that are synthesized based on the template of mRNA. If an essential amino acid lysine was missing in the diet, and was necessary for synthesis of a new protein
A) it would be replaced with another available amino acid
B) protein synthesis would stop and wait for lysine
C) it would be pulled from other protein to build the new one
D) liver will produce it from glucose

Question

Quizplus · Accepted Answer

Protein synthesis would halt because if an essential amino acid like lysine is missing, the cell cannot substitute it with another amino acid or synthesize it de novo. Essential amino acids must be obtained from the diet, as the human body cannot produce them.

Proteins Are Macromolecules That Are Synthesized Based on the Template