CELL RESPIRATION
THE KREBS CYCLE
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Question
[CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
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Convert Acetyl CoA into CO2 while creating a small amount of ATP and electrons in the form of NADH and FADH2
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Convert glucose to pyruvate while creating a small amount of ATP & electrons
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Receive electrons and create large amounts of ATP through oxidative phosphorylation.
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Reduce Pyruvate to Acetyl CoA and produce some electrons.
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Detailed explanation-1: -Three NADH+ and one FADH2 are generated in one cycle which, on entering the electron transport chain, yields 10 ATP. These include one ATP produced by succinate thiokinase at the substrate level. Two carbon atoms are lost in this cycle by decarboxylation, although these are not the same atoms entering as acetyl-CoA.
Detailed explanation-2: -The acetyl CoA is then used in the citric acid cycle, which is a chain of chemical reactions that produce CO2, NADH, flavin adenine dinucleotide (FADH2), and ATP.
Detailed explanation-3: -Where do NADH and FADH2 go after being produced in the TCA cycle?-NADH and FADH2 go to the electron transport chain, which is located i the cell membrane of prokaryotes or the inner membrane of eukaryotes. In prokaryotes and eukaryotes, the TCA cycle takes place in the mitochondria.
Detailed explanation-4: -NADH: High energy electron carrier used to transport electrons generated in Glycolysis and Krebs Cycle to the Electron Transport Chain. FADH2: High energy electron carrier used to transport electrons generated in Glycolysis and Krebs Cycle to the Electron Transport Chain.