competitive inhibition

Medical Dictionary

competitive inhibition n.
Blockage of the action of an enzyme on its substrate by replacement of the substrate with a similar but inactive compound that can combine with the active site of the enzyme but that is not acted upon or split by the enzyme. Also called selective inhibition.

The American Heritage® Stedman's Medical Dictionary
Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.
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