Collagen synthesis requires which vitamin -: (A) Vitamin B1, (B) Vitamin D, (C) Vitamin C, (D) Vitamin E
Answer is C. Ans. is 'c' i.e., Vitamin C o Hydroxylation of proline and lysine during collagen synthesis requires vitamin C (ascorbic acid), molecular oxygen (O2), (X-ketoglutarate and enzymes dioxygenases (prolyl hydroxylase, lysyl hydroxylase).