In Muscle, the First Event in the Breakdown of Glycogen

question 30

Multiple Choice

In muscle, the first event in the breakdown of glycogen due to binding of a hormone is _____.

• A) cytoplasmic cAMP levels rise
• B) protein kinase A phosphorylates phosphorylase kinase
• C) adenylate cyclase is activated
• D) protein kinase A is activated
• E) activation of a G protein

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Definitions:

Cellular Respiration

A series of metabolic processes that convert food into energy in the form of ATP in the cells of living organisms.

Enzyme

a protein that catalyzes chemical reactions within living organisms, speeding up the rate at which these reactions occur without being consumed in the process.

Photosynthesis

A process by which green plants and some other organisms use sunlight to synthesize foods from carbon dioxide and water. Photosynthesis in plants generally involves the green pigment chlorophyll and generates oxygen as a byproduct.

Equation

A mathematical statement that asserts the equality of two expressions, usually represented by the symbol "=".