WB JEE Medical WB JEE Medical Solved Paper-2009

  • question_answer
    Net yield of ATP molecules in aerobic respiration during Krebs cycle per glucose molecule is

    A)  2 ATP molecules                             

    B)  8 ATP molecules

    C)  36 ATP molecules           

    D)  38 ATP molecules

    Correct Answer: A

    Solution :

                    Krebs cycle involves 8 steps to oxidize 2 molecules of acetyl Co- A produced in transition reaction          completely into  \[\begin{align}   & 4C{{O}_{2}},\,10{{H}_{2}}O,\,2ATP,\,2FAD{{H}_{2}}\,\,and \\  & 6NADH{{+}^{.}}{{H}^{+}} \\ \end{align}\]


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