Creatine phosphate is used as a phosphoryl donor for ATP synthesis in muscle. It provides ATP for the initial few seconds of intense exercise. a) What enzyme catalyzes the synthesis of creatine phosphate? Write out the reaction. b) For a skeletal muscle at rest, the following metabolites are present at the indicated concentrations. [ATP] = 4 mM; [ADP] = 0.013 mM [creatine phosphate] = 25 mM; [creatine] = 13 mM Calculate the AG for the creatine kinase reaction for a muscle at rest.

Biochemistry
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ISBN:9781319114671
Author:Lubert Stryer, Jeremy M. Berg, John L. Tymoczko, Gregory J. Gatto Jr.
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Chapter1: Biochemistry: An Evolving Science
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Creatine phosphate is used as a phosphoryl donor for ATP synthesis in muscle. It provides
ATP for the initial few seconds of intense exercise.
a) What enzyme catalyzes the synthesis of creatine phosphate? Write out the reaction.
b) For a skeletal muscle at rest, the following metabolites are present at the indicated
concentrations.
[ATP] = 4 mM; [ADP] = 0.013 mM
[creatine phosphate] = 25 mM; [creatine] = 13 mM
Calculate the AG for the creatine kinase reaction for a muscle at rest.
Transcribed Image Text:Creatine phosphate is used as a phosphoryl donor for ATP synthesis in muscle. It provides ATP for the initial few seconds of intense exercise. a) What enzyme catalyzes the synthesis of creatine phosphate? Write out the reaction. b) For a skeletal muscle at rest, the following metabolites are present at the indicated concentrations. [ATP] = 4 mM; [ADP] = 0.013 mM [creatine phosphate] = 25 mM; [creatine] = 13 mM Calculate the AG for the creatine kinase reaction for a muscle at rest.
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