Which of the following retinoids has major role to play in epithelial differenciation?: (A) Retinal, (B) Retinol, (C) Retinoic acid, (D) None of the above
Answer is C. Active Forms of Vitamin A Function Retinol Reproduction Retinal Vision Retinoic acid Epithelial differentiation, gene expression, growth and development Reference: Harper's Illustrated Biochemistry 31st edition