SCIENCE
RESPIRATION
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Question
[CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
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Krebs cycle
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Glycolysis
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Glycolysis
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Glycolysis
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Detailed explanation-1: -In the presence of oxygen, the next stage after glycolysis is oxidative phosphorylation, which feeds pyruvate to the Krebs Cycle and feeds the hydrogen released from glycolysis to the electron transport chain to produce more ATP (up to 38 molecules of ATP are produced in this process).
Detailed explanation-2: -Fermentation. Some organisms are able to continually convert energy without the presence of oxygen. They undergo glycolysis, followed by the anaerobic process of fermentation to make ATP.
Detailed explanation-3: -The energy released by this breakdown is carried by NADH. The Krebs cycle completes the breakdown of glucose begun in glycolysis. If oxygen is present, pyruvate enters the mitochondria and is converted to AcetylCoA.
Detailed explanation-4: -Cellular respiration happens when oxygen is present and includes glycolysis, Krebs cycle, and Electron transport.