PHYSIOLOGY
MUSCLE ENERGETICS TCA CYCLE
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Question
[CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
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2
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4
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6
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3
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Detailed explanation-1: -Thus, 1 glucose molecule is responsible for the release of 4 CO2 molecules during Krebs cycle.
Detailed explanation-2: -The Krebs cycle itself actually begins when acetyl-CoA combines with a four-carbon molecule called OAA (oxaloacetate) (see Figure above). This produces citric acid, which has six carbonatoms. This is why the Krebs cycle is also called the citric acid cycle.
Detailed explanation-3: -The answer is 12 NADH molecules. The pyruvate molecule will be converted to Acetyl-CoA by the enzyme pyruvate dehydrogenase complex.
Detailed explanation-4: -So, the correct option is ‘four’.
Detailed explanation-5: -Oxaloacetic acid is first 4-C compound that takes part in TCA or Kerbs cycle.It combines with Acetyl Co-A to form 6-C compound, i.e., citrate.