HORTICULTURE SCIENCE
CROP PHYSIOLOGY
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Question
[CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
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Which statement is wrong about Kreb’s cycle?
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There is one point in the cycle where FAD+ is reduced to FADH2
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During conversion of succinyl CoA to succinic acid, a molecule of GTP is synthesised
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The cycle starts with condensation of acetyl group (acetyl CoA) with pyruvic acid to yield citric acid
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There are three points in the cycle where NAD+ is reduced to NADH + H+
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Explanation:
Detailed explanation-1: -The correct option is D The cycle starts with condensation of acetyl group (acetyl CoA) with pyruvic acid to yield citric acid.
Detailed explanation-2: -The first step of the citric acid cycle is the formation of citrate from oxaloacetate and acetyl-CoA. This step is a two-step process that is catalyzed by an enzyme called citrate synthase. The first step of this process is an aldol condensation that produces an intermediate molecule called citryl-CoA.
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