Which vitamin is essential for the synthesis of retinoic acid, a derivative that plays a crucial role in cell differentiation and embryonic development?

A Vitamin A
B Vitamin D
C Vitamin E
D Vitamin K
Vitamin A is converted into retinoic acid in the body, which is necessary for cell differentiation and embryonic development.
Biochemistry textbooks
Vitamins Nutrition Fat-Soluble Vitamins Medium MEDICAL Confidence: high