Biochemistry Vitamin C is necessary in the formation of collagen. It is required for the conversion of: A Proline to hydroxyproline B Beta-carotene to vitamin A C Glutamate to gamma-carboxyglutamate D Pyridoxine to pyridoxal phosphate 💡 Explanation Vitamin C is necessary in the formation of collagen. It is required for the conversion of: ✓ Correct Answer: A. Proline to hydroxyproline