NUTRITION
LIPIDS
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Question
[CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
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What is the chemical composition of a steroid?
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1 glycerol molecule and 3 fatty acids
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1 fatty acid and 3 glycerol molecules
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1 glycerol molecule, 2 fatty acids, and 1 phosphate group
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3 cyclohexanes and 1 cyclopentane
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Explanation:
Detailed explanation-1: -In general, the steroid core structure has 17 carbon atoms connected with 4 fused rings in a specific way. Three of these are cyclohexanes (A, B, and C) and one is cyclopentane system (D ring). Sterols are obtained from steroids with an alcoholic group at C-3 with a cholestane type of compound [2].
Detailed explanation-2: -The steroid core structure is typically composed of seventeen carbon atoms, bonded in four “fused” rings: three six-member cyclohexane rings (rings A, B and C in the first illustration) and one five-member cyclopentane ring (the D ring).
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