CELL RESPIRATION
AEROBIC RESPIRATION
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Question
[CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
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ATP is made through which of the following mechanisms in the Kreb’s Cycle?
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Substrate-level phosphorylation
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Oxidative phosphorylation
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Photophosphorylation
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None of these
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Explanation:
Detailed explanation-1: -Glycolysis can generate ATP in the absence of oxygen. This is described as anaerobic metabolism. It results from substrate-level phosphorylation.
Detailed explanation-2: -Substrate-level phosphorylation is the production of ATP from ADP by a direct transfer of a high-energy phosphate group from a phosphorylated intermediate metabolic compound in an exergonic catabolic pathway.
Detailed explanation-3: -ATP Synthesis Mechanism The loose (L) sites bind the substrates (ADP and phosphate) reversibly. The T sites then bind the reactants so tightly that ATP is formed. The O sites, which have a low affinity for substrates, then release the ATP already formed in the T state.
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