CMC Medical CMC-Medical VELLORE Solved Paper-2010

  • question_answer
    Identity from the following the compound that links glycolysis and Krebs cycle

    A)  Oxalo acetic acid             

    B)  Pyruvic acid

    C)  Lactic acid          

    D)  Acetyl Co-A

    E)  None of these

    Correct Answer: D

    Solution :

                    Acetyl Co-A is the connecting link between glycolysis and Krebs cycle. One molecule of glucose is converted into two molecules of pyruvic acid through glycolysis in cytoplasm. Before entering into mitochondria, NAD and coenzyme-A reacts with pyruvic acid and oxidative carboxylation takes place which resulted into one molecule of \[C{{O}_{2}},\] \[NAD{{H}_{2}}\] and acetyl Co-A. The acetyl Co-A now enter in Krebs cycle.


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