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Read the following statements regarding Krebs cycle.

  1. Acetyl Co-A combines with 4 carbon oxaloacetate to produce 6 carbon citrate

  2. Alpha-ketoglutarate is hydrogenated into succinyl Co-A with the help of Alpha-ketoglutarate decarboxylase

  3. In the presence of manganese, and dehydrogenase, isocitrate after oxidation produce fumarate

  4. Malate undergoes reduction to produce oxaloacetate

Choose the option with all correct statements

Option: 1

I, II and III


Option: 2

I and II


Option: 3

Only I


Option: 4

I and III


Answers (1)

Alpha-ketoglutarate is dehydrogenated into succinyl Co-A with the help of Alpha-ketoglutarate dehydrogenase. In the presence of manganese, and isocitrate dehydrogenase, isocitrate undergoes oxidation to produce alpha- ketoglutarate. Malate undergoes oxidation to produce oxaloacetate

Posted by

Ramraj Saini

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