Which of the following statements is true reg | vedclass

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Question

(C) The $Km$ (Michaelis constant) is defined as the substrate concentration at which the reaction rate is half of the maximum velocity $(V_{max}/2)$.F

Vedclass · Accepted Answer

The value of $Km$ is constant for a specific enzyme-substrate pair.

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(C) The $Km$ (Michaelis constant) is defined as the substrate concentration at which the reaction rate is half of the maximum velocity $(V_{max}/2)$.For a specific enzyme-substrate pair under defined conditions (such as temperature and $pH$),the $Km$ value is a characteristic constant.It reflects the affinity of the enzyme for its substrate; a lower $Km$ indicates higher affinity,while a higher $Km$ indicates lower affinity.

Which of the following statements is true regarding the $Km$ (Michaelis constant) value for an enzyme?

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