NEET · Biology · STD 11 - 12. Respiration in plants
Identify the step in tricarboxylic acid cycle, which does not involve oxidation of substrate.
- A Succinic acid \(\rightarrow\) Malic acid
- B Succinyl-\(CoA\) \(\rightarrow\) Succinic acid
- C Isocitrate \(\rightarrow \alpha\)-ketoglutaric acid
- D Malic acid \(\rightarrow\) Oxaloacetic acid
Answer & Solution
Correct Answer
(B) Succinyl-\(CoA\) \(\rightarrow\) Succinic acid
Step-by-step Solution
Detailed explanation
Oxidation involves the loss of electrons (often as part of hydrogen) from a molecule, leaving to an increase in its oxidation state. This process is typically associated with the transfer of electrons to an electron acceptor which is reduced in the process. The conversion of succinyl \(COA\) to succinic acid does not involve oxidation of substrate.
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