Vitamin C Deficiency May Lead to Scurvy, a Disease Characterized

Multiple Choice

Vitamin C deficiency may lead to scurvy, a disease characterized by skin lesions and blood vessel hemorrhages due to weakened connective tissue. Vitamin C deficiency has this effect because the vitamin is

A) a critical structural component of collagen.
B) required for the enzymatic activity of prolyl hydroxylase.
C) required for the enzymatic activity of cellulose synthase.
D) required for the enzymatic activity of hydroxyproline.