OBJECTIVE LIFE SCIENCE
MOLECULAR BIOLOGY
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Question
[CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
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Which molecule provided by plants accounts for the energy in an animal’s diet?
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glucose
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protein
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salt
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oxygen
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Explanation:
Detailed explanation-1: -Starch from plants serves as a major energy source in animal diets. Starch consists of two types of molecules: amylose (alpha 1, 4 linked glucose) and amylopectin (alpha 1, 4 and alpha 1, 6 linked glucose).
Detailed explanation-2: -The carbohydrate D-glucose is the main source of energy in living organisms.
Detailed explanation-3: -Glucose and other food molecules are broken down by controlled stepwise oxidation to provide chemical energy in the form of ATP and NADH.
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