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The KM is:A) equal to the product concentration at initial reaction conditions.B) equal to the substrate concentration when the reaction rate is half its maximal value.C) proportional to the standard free energy.D) All of the above.E) None of the above.

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sholanejo

Answer:  equal to the substrate concentration when the reaction rate is half its maximal value.

Explanation: the KM is known as The Michaelis constant. The value of the Michaelis constant KM is numerically equal to the substrate concentration at which the reaction rate is half of Vmax.

The KM value for an enzyme depends on the particular substrate and on environmental conditions such as pH, temperature, and ionic strength.

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