$K_{m}$ value is defined as:

Easy

A

Temperature at which the rate of reaction attains half of reaction maxima
B

pH at which the rate of reaction attains half of maximum reaction velocity
C

Substrate concentration at which half the maximal reaction velocity is achieved
D

Enzyme concentration at which the rate of reaction attains half of reaction maxima

Solution

$K_{m}$ is michaelis constant. It is a mathematical derivation or constant which indicates the substrate concentration at which the chemical reaction catalysed by an enzyme attains half its maximum velocity or we can say that the concentration of the substrate at which half the maximum velocity of the enzyme is attained is $K_{m}$

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