(A) NAD
(B) NADH
(C) NADP
(D) NADPH
Tag: Biochemistry Multiple Choice Questions
When light falls on rod cells?
(A) All-cis-retinal is converted into all-trans-retinal
(B) 11-cis-retinal is converted into 11-trans-retinal
(C) 11-trans-retinal is converted into all-transretinal
(D) 11-cis-retinal is converted into all-trans-retinal
Rhodopsin contains opsin and?
(A) 11-cis-retinal
(B) 11-trans-retinal
(C) All-cis-retinal
(D) All trans-retinal
Vitamin A is stored in the body in?
(A) Liver
(B) Adipose tissue
(C) Reticuloendothelial cells
(D) All of these
Vitamin A absorbed in intestine is released into?
(A) Portal circulation
(B) Lacteals
(C) Both (A) and (B)
(D) None of these
Retinal is converted into retinoic acid in the presence of?
(A) Retinal oxidase
(B) Retinal carboxylase
(C) Retinene reductase
(D) Spontaneously
Conversion of retinal into ritonal requires the presence of?
(A) NADH
(B) NADPH
(C) FADH2
(D) Lipoic acid
Conversion of β-carotene into retinal requires the presence of?
(A) β-Carotene dioxygenase
(B) Bile salts
(C) Molecular oxygen
(D) All of these