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Question

The amino acids and fatty acids are converted into _____________ to enter the Kreb's cycle.

A
pyruvic acid
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B
citric acid
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C
acetyl-CoA
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D
glucose
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Solution

The correct option is C acetyl-CoA
Usually energy is obtained from glucose. Glucose enters glycolysis and the end product is pyruvic acid. This pyruvic acid is converted into acetyl co-A which then enters the Kreb's cycle. In case the availability of glucose is less, then other molecules such as fatty acids and amino acids are directly converted into acetyl-co-A which enters the Kreb's cycle.

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