Unit I ATP-PC Flashcards

1
Q

Other names for ATP-Phosphocreatine

A

phosphagen system, phosphocreatine system, creatine phosphatesystem

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2
Q

How much energy does creatine phosphate create?

A

-10.3 Kcal/mol

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3
Q

Where does the ATP-PC system take place?

A

in the mitochondria and cytosol

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4
Q

What system replenishes ATP the fastest?

A

ATP-PC system

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5
Q

What typical tissue does the ATP-PC system take place?

A

in muscle

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6
Q

What enzyme creates PCr from ATP + Cr?

A

Creatine kinase

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7
Q

What cofactor accompanies creatine kinase?

A

Mg 2+

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8
Q

What enzyme creates ATP from ADP + PCr?

A

creatine kinase

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9
Q

Is the reaction involving creatine kinase reversible?

A

yes

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10
Q

What, in excess, would inhibit the ATP-PC pathway?

A

the products ATP and creatine during exercise, and PCr during rest

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11
Q

What would stimulate the ATP-PC pathway?

A

ADP and PCr if exercising, ATP and creatine if at rest

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