Scurvy results in pinpoint hemorrhaging in the skin and bleeding of the gums. This can be explained by the known biological function of ________ to keep the mineral iron in the correct form so that it acts as a cofactor for an enzyme necessary for __________ synthesis.
A) vitamin E; fibrin
B) vitamin C; serotonin
C) pyridoxine; collagen
D) ascorbic acid; fibrin
E) ascorbic acid; collagen
