Which of the following vitamin functions as both, hormone and visual pigment?
Q. Which of the following vitamin functions as both, hormone and visual pigment?
A. Thiamine
B. Retinal
C. Riboflavin
D. Folic acid
Answer: Retinal.
A. Thiamine
B. Retinal
C. Riboflavin
D. Folic acid
Answer: Retinal.