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creatine kinase

noun, Biochemistry
1.
an enzyme that, during muscular activity, catalyzes the transfer of a phosphoryl group from phosphocreatine in muscle to produce ATP.
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Based on the Random House Dictionary, © Random House, Inc. 2014.
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creatine kinase in Medicine

creatine kinase n.
An enzyme present in muscle, brain, and other tissues of vertebrates that catalyzes the reversible conversion of ADP and phosphocreatine into ATP and creatine.

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