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Question
During which of the following reactions substrate-level phosphorylation occurs?
Options
Fumaric acid changes to malic acid.
Succinic acid changes to fumaric acid.
Succinyl CoA changes to succinic acid
Oxalosuccinic acid changes to a.-ketoglutaric acid.
MCQ
Solution
Succinyl CoA changes to succinic acid
Explanation:
4C succinyl-CoA is formed via oxidation and decarboxylation of α-ketoglutaric acid. In the presence of CoA and NAD, the reaction occurs. After that, succinyl-CoA is hydrolyzed to succinic acid. GDP is recovered when OTP reacts with ADP to produce ATP.
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