Anti-oxidant activity is present in (A) β-Carotene (B) Retinol (C) Retinoic acid (D) All of these Last Answer : (A) β-Carotene...
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 Last Answer : Answer : B...
Retinoic acid can (A) Act as a photo receptor (B) Support growth and differentiation (C) Act as an anti-oxidant (D) None of these Last Answer : Answer : B...
The following form of vitamin A is used in the visual cycle: (A) Retinol (B) Retinoic acid (C) Retinaldehyde (D) Retinyl acetate Last Answer : Answer : C...
On exposure to light rhodopsin forms (A) All trans-retinal (B) Cis-retinal (C) Retinol (D) Retinoic acid Last Answer : Answer : A...
The non-protein part of rhodopsin is (A) Retinal (B) Retinol (C) Carotene (D) Repsin Last Answer : Answer : A...
Non-protein part of rhodopsin is (A) Retinal (B) Retinol (C) Carotene (D) Repsin Last Answer : Answer : A...
Retinol and Retinol binding protein are bound with this protein: (A) Albumin (B) Prealbumin (C) α-globulin (D) β-globulin Last Answer : Answer : B...
Retinol and retinol –binding protein (RBP) bound with this protein: (A) Albumin (B) Prealbumin (C) α2-globulin (D) β-globulin Last Answer : Answer : B...
Retinol is transported to the blood as retinol attached to (A) α1-globulin (B) α2-globulin (C) β-globulin (D) γ-globulin Last Answer : Answer : A...
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