During the dark phase of visual cycle, which form of vitamin A combines with opsin to make Rhodopsin:
Ans. C. 11-cis-RetinaldehydeFirst know about the forms of Vitamin Aa. Retinol: A primary alcohol containing a bionone ring with an unsaturated side chain.b. Retinal: It is an aldehyde which is derived from the oxidation of alcohol. It can exist in two formsi. 11-cis retinalii. 11-trans retinalc. Retinoic acid The acid derived from oxidation of retinal(Oxidation) (Oxidation)Retinol -------- Retinal ---------- Retinoic acid(Retinaldehyde)
All trans-Retinaldehyde
all trans-Retinol
11-cis-Retinaldehyde
11-cis-Retinol
Special Senses: Vision and its Elements