(A) Ergosterol
(B) 7-Dehydrocholesterol
(C) Cholecalciferol
(D) 25-Hydroxycholecalciferol
Tag: Biochemistry Mcqs
Ergosterol is found in?
(A) Animals
(B) Plants
(C) Bacteria
(D) All of these
Provitamin D3 is?
(A) Cholecalciferol
(B) Ergosterol
(C) 7-Dehydrocholesterol
(D) Ergocaliferol
Transducin is a?
(A) Signal transducer
(B) Stimulatory G-protein
(C) Trimer
(D) All of these
Retinoic acid is involved in the synthesis of?
(A) Rhodopsin
(B) Iodopsin
(C) Porphyrinopsin
(D) Glycoproteins
Prosthetic group in cone cell phototreceptors is?
(A) Iodine
(B) Opsin
(C) 11-cis-retinal
(D) all-trans-retinal
Retinoic acid can?
(A) Act as a photo receptor
(B) Support growth and differentiation
(C) Act as an anti-oxidant
(D) None of these
Provitamins A include?
(A) Retinal
(B) Retionic acid
(C) Carotenes
(D) All of these