What is the role of vitamin A in bone deposition?

A. It provides the raw material for calcification of the ground substance.
B. It promotes the synthesis of bone matrix glycosaminoglycans (GAGs).
C. It stimulates osteoblast activity.
D. It promotes the cross-linking of collagen molecules.
E. It is necessary for calcium absorption by the small intestine.


Answer: B

Anatomy & Physiology

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