What Are the Effects of Protein Kinase a on PFK-2

question 51

Multiple Choice

What are the effects of protein kinase A on PFK-2 and pyruvate kinase?

• A) phosphorylates PFK-2; dephosphorylated pyruvate kinase; both enzymes are inhibited
• B) phosphorylates both enzymes; inhibits both enzymes
• C) dephosphorylates both enzymes; inhibits both enzymes
• D) dephosphorylates PFK-2; phosphorylates pyruvate kinase; activates PFK-2; inhibits pyruvate kinase

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Definitions:

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The volume of fluid that passes a certain point in a specified period of time, often measured in liters per minute.

Micrograms Per Minute

A unit of measure indicating the flow rate of substances, such as medication, in micrograms over the course of a minute.

Milligrams Per Hour

A rate of administering a medication, indicating how many milligrams of the substance are given over the span of an hour.

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