NEET Sample Paper NEET Sample Test Paper-14

  • question_answer 120) The catalytic efficiency of two different enzymes can be compared by the

    A)  Formation of the product

    B)  pH optimum value

    C)  \[{{K}_{m}}\]value

    D)  Molecular size of the enzyme

    Correct Answer: C

    Solution :

    \[{{\text{K}}_{\text{m}}}\] (Michaelis-Menten constant). It is defined as that substrate concentration at which under optimum conditions the rate of an enzyme catalysed reaction reaches half the maximum rate. \[{{\text{K}}_{\text{m}}}\]is inversely proportional to the affinity of enzyme for its substrate.

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