FOOD CHEMISTRY
CARBOHYDRATES PROTEINS AND LIPIDS
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Question
[CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
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If an animal is in starvation mode (has not eaten food for 24+hours) what will it use as energy once carbs are gone?
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Lipids
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Proteins
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More carbs
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None of these
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Explanation:
Detailed explanation-1: -During starvation, lipogenesis is depressed while the lipolysis is accelerated. This results in plasma non-esterified fatty acids accumulation. Unexpectedly, the ketone bodies BHBA and ACAC are decreased, whereas the actone is undetectable.
Detailed explanation-2: -Human starvation is marked by an early period of glycogenolysis and gluconeogenesis (3, 4). By 2–3 days into a fast, fatty acids released from lipid stores become the primary source of fuel; this critical transition to lipid metabolism allows for protein sparing during prolonged periods of starvation (3).
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