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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
Vegetables sources of vitamin A, included:
Pumpkin
Spinach
Papaya
All of above
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Vitamin A: Chemistry, Functions and Disorders
Retinine is name formerly used for:
Retinol
Retinoid
Retinal
Retinol
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Vitamin A: Chemistry, Functions and Disorders
Dim light vision is controlled by:
Rods
Cones
Retina
Cortex
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Vitamin A: Chemistry, Functions and Disorders
Number of double bonds in retinol structure is:
1
2
4
5
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Vitamin A: Chemistry, Functions and Disorders
George Wald explained biochemical function of vitamin A, in process of:
Respiration
Vision
Digestion
Liver function
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Vitamin A: Chemistry, Functions and Disorders
β-Carotenes, functioning as an:
Anti pigment
Antioxidant
Anti-allergic
Anti acidic
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Vitamin A: Chemistry, Functions and Disorders
Retinoic acid and retinol, functioning like:
Growth hormone
Steroid hormones
Leutinizing hormones
Thiamine
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Vitamin A: Chemistry, Functions and Disorders
β-Carotenes are helpful in preventing:
Heart attack
Neurological disorders
Kidney failure
Diabetes
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Vitamin A: Chemistry, Functions and Disorders
Side chains in retinol structure, included:
Hydroxyl group
Carboxylic group
Two isoprenoid units
Dihydroxyl group
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Vitamin A: Chemistry, Functions and Disorders
Degeneration of ‘germinal’ epithelium is due to vitamin A deficiency, ultimately resulting in:
Germinal layer cancer
Sterility in males
Sterility in females
Sterility in children
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rikazzz
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