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Vitamin A: Chemistry, Functions and Disorders
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Vitamin A: Chemistry, Functions and Disorders
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Vitamin A: Chemistry, Functions and Disorders
Rods and cones are types of cells found in the:
Retina of eyes
Pupil
Eyelid
Muscles
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Vitamin A: Chemistry, Functions and Disorders
A conjugation protein found in rods of retina is called:
Myosin
Rhodopsin
Actin
Actin
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Vitamin A: Chemistry, Functions and Disorders
What does synthesis of cholesterol require?
Vitamin C
Vitamin A
Vitamin K derivatives
Vitamin D
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Vitamin A: Chemistry, Functions and Disorders
Natural and synthetic form of vitamin A is termed as:
Retinoid
Provitamins
Carotenes
Hyaluronic acid
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Vitamin A: Chemistry, Functions and Disorders
In animal’s tissues, retinol is present as retinyl ester along with:
Short chain of fatty acids
Long chain of fatty acid
A unit of fatty acid
Specific fat-soluble enzymes
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Vitamin A: Chemistry, Functions and Disorders
Rhodopsin’ cycle is also called as:
Eye cycle
Vision cycle
Wald’s cycle
Water cycle
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Vitamin A: Chemistry, Functions and Disorders
Dietary sources for vitamin A, included:
Fish liver oil
Egg yolk and butter
Mill and cheese
All of above
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Vitamin A: Chemistry, Functions and Disorders
What does a vitamin ‘A’ cure?
Acne
Fever
Flu
All of above
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Vitamin A: Chemistry, Functions and Disorders
Blue color is identified by pigment:
Porphyropsin
Iodopsin
Cynopsin
Foltok
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Vitamin A: Chemistry, Functions and Disorders
Urinary stones are caused due to deficiency of:
Vitamin C
Vitamin A
Vitamin K
Vitamin D
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