Which intermediate of the TCA cycle is used as a precursor for the synthesis of chlorophyll and cytochromes?
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Correct answer: Succinyl-CoA
Succinyl-CoA is a vital metabolic intermediate used for the biosynthesis of porphyrins, which are key components of heme in cytochromes and the chlorophyll molecule.
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More Krebs Cycle (TCA): Steps and Significance questions
- 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:
- Before entering the Krebs cycle, pyruvate undergoes oxidative decarboxylation to form which 2-carbon compound?
- Which enzyme complex is responsible for the conversion of Pyruvate to Acetyl CoA?
- The first step of the Krebs cycle involves the condensation of Acetyl CoA with which 4-carbon compound?