Question

multiple choice question
vitamin ____ is necessary for osteoblast activity, and vitamin ____ is necessary for collagen synthesis.
o c; a
o c; d
o a; d
o a; c
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Explanation:

Vitamin A is necessary for osteoblast activity as it plays a role in bone - related cell functions. Vitamin C is essential for collagen synthesis as it is a co - factor in the hydroxylation reactions during collagen formation.

Answer:

D. A; C