(A) Adenylate cyclase
(B) Transducin
(C) Rhodopsin
(D) B as well as C
Tag: Mcqs of Biochemistry
Nyctalopia is?
(A) Drying of eyes
(B) Destruction of cornea
(C) Blindness
(D) Inability to see in dimlight
An early effect of vitamin a deficiency is?
(A) Xerophthalmia
(B) Keratomalacia
(C) Prolonged dark adaptation time
(D) Follicular hyperkeratosis
Vitamin B6 includes?
(A) Pyridoxal
(B) Pyridoxamine
(C) Pyridoxine
(D) All of these
Daily requirement of vitamin A in an adult man can be expressed as?
(A) 400 IU
(B) 1,000 IU
(C) 5,000 IU
(D) 10,000 IU
One international Unit of vitamin A is the activity present in?
(A) 0.3 μg of β-Carotene
(B) 0.3 μg of retinol
(C) 0.6 μg of retinoic acid
(D) All of these
Anti-oxidant activity is present in?
(A) β-Carotene
(B) Retinol
(C) Retinoic acid
(D) All of these
Retinol isomerase is present in?
(A) Retina
(B) Liver
(C) Both (A) and (B)
(D) None of these