J & K CET Medical J & K - CET Medical Solved Paper-2011

  • question_answer
     Net gain of ATP from one molecule of glucose in glycolysis is

    A)  3                                            

    B)  6

    C)  8                                            

    D)  2

    Correct Answer: D

    Solution :

                    In glycolysis, two molecules of ATP are consumed initially in converting glucose to fructose 1, 6-bisphosphate. Two triose phosphate molecules are formed from one glucose molecules. Four molecules of ATP are produced at substrate level phosphorylation. Therefore, net gain of ATP is  \[2ATP\times 2-2ATP=2.\]


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