A) Thymine
B) Retinol
C) Niacin
D) Riboflavin
Correct Answer: B
Solution :
Retinol, or Vitamin A, is a necessary nutrient in all higher animals. It plays an important role in vision, in the maintenance of epithelial cell layers, in spermatogenesis, and in fetal development.You need to login to perform this action.
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