WB JEE Medical WB JEE Medical Solved Paper-2009

  • question_answer
    FAD is electron acceptor during oxidation of which of the following?

    A)  a- ketoglutarate\[\to \]Succinyl Co- A

    B)  Succinic acid \[\to \] Fumaric acid

    C)  Succinyl Co- A \[\to \] Succinic acid

    D)  Fumaric acid \[\to \] Malic acid

    Correct Answer: B

    Solution :

                    In the Krebs cycle, when succinic add under goes  oxidation or dehdyrogenation to form fumaric acid, two hydrogens are transferred to FAD. FAD is reduced to \[FAD{{H}_{2}}\]and enzyme involved in this step is succinic add dehydrogenase.


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