Which Molecule Acts as a Second Messenger in the Cascade

question 43

Multiple Choice

Which molecule acts as a second messenger in the cascade by which epinephrine stimulates the activation of the enzyme glycogen phosphorylase in liver cells?

• A) Adenosine
• B) Caffeine
• C) Citric acid
• D) Cyclic AMP
• E) Adenylyl cyclase

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Definitions:

Slope Coefficients

In linear regression, these coefficients represent the degree of change in the dependent variable for a one-unit change in an independent variable.

Predictor Variables

Variables that are used in statistical models to predict outcomes or responses of another variable.

Multiple Regression Model

A statistical technique that uses several explanatory variables to predict the outcome of a response variable.

Response Variable

The variable that measures the outcome of interest in a study, often influenced by explanatory variables.