The Km (Michaelis constant) of an enzyme-catalyzed rection:

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Physiology Test Question

The K_m (Michaelis constant) of an enzyme-catalyzed rection:

	(A) is a measure of the turnover rate of the enzyme.
	(B) is a measure of the affinity of the enzyme for its substrate.
	(C) has a higher numerical value when the enzyme has high affinity for its substrate.
	(D) has a lower numerical value when the enzyme has high affinity for its substrate.
	(E) is the substrate concentration when the reaction rate is half of the maximum rate.

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Posted: Sunday, December 7, 2014
Last updated: Sunday, December 7, 2014