Which chemical reaction describes the 'regeneration' step of the Krebs cycle?
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Correct answer: Malate to OAA
The cycle is completed when malate is oxidized back to oxaloacetic acid (OAA). This allows OAA to pick up another Acetyl CoA molecule and start the cycle again.
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More Krebs Cycle (TCA): Steps and Significance questions
- The oxygen required for the 'aerobic' nature of the Krebs cycle is used directly in which step?
- During the conversion of Alpha-ketoglutarate to Succinyl-CoA, which two processes occur simultaneously?
- Which intermediate of the TCA cycle is used as a precursor for the synthesis of chlorophyll and cytochromes?
- If the Krebs cycle is inhibited at the malate dehydrogenase step, which substance will accumulate?
- The total number of CO2 molecules released from one molecule of glucose during the link reaction and the Krebs cycle combined is:
- The Krebs cycle is also referred to as the 'Amphibolic Pathway' because it is involved in: