Biochemistry Which of the following combinations of biologically active molecules does vitamin A consists of A Retinol, retinal and retinoic acid B Retinol, retinal and tetrahydrofolate C Retinal, conjugase and retinoic acid D PABA, retinal and retinaldehyde 💡 Explanation Which of the following combinations of biologically active molecules does vitamin A consists of ✓ Correct Answer: A. Retinol, retinal and retinoic acid