Vitamin C (ascorbic acid) prevents scurvy because
A) it is involved in the formation of the proper β -sheet structure of collagen.
B) it is involved in the metabolism of heme used in hemoglobin.
C) it encourages the formation of disulfide linkages in collagen.
D) it is an unusual amino acid found in the primary structure of collagen.
E) it is used to hydroxylate prolines in the primary structure of collagen.

Question

Quizplus · Accepted Answer

Vitamin C (ascorbic acid) is crucial for the hydroxylation of proline residues in collagen. This hydroxylation process is necessary for the stability and proper function of collagen, which is why vitamin C deficiency leads to scurvy, a disease characterized by weakened connective tissue.

Vitamin C (Ascorbic Acid) Prevents Scurvy Because