Unit I ATP-PC Flashcards
Other names for ATP-Phosphocreatine
phosphagen system, phosphocreatine system, creatine phosphatesystem
How much energy does creatine phosphate create?
-10.3 Kcal/mol
Where does the ATP-PC system take place?
in the mitochondria and cytosol
What system replenishes ATP the fastest?
ATP-PC system
What typical tissue does the ATP-PC system take place?
in muscle
What enzyme creates PCr from ATP + Cr?
Creatine kinase
What cofactor accompanies creatine kinase?
Mg 2+
What enzyme creates ATP from ADP + PCr?
creatine kinase
Is the reaction involving creatine kinase reversible?
yes
What, in excess, would inhibit the ATP-PC pathway?
the products ATP and creatine during exercise, and PCr during rest
What would stimulate the ATP-PC pathway?
ADP and PCr if exercising, ATP and creatine if at rest