A Variable That Is Related to Either the Response Variable

question 17

Multiple Choice

A variable that is related to either the response variable or the predictor variable or both, but which is excludedfrom the analysis is a

• A) lurking variable.
• B) random variable.
• C) discrete variable.
• D) qualitative variable.

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Definitions:

Chemically Altered

A term describing a substance whose chemical composition has been changed through a reaction or process.

CAMP

Cyclic adenosine monophosphate; a second messenger important in many biological processes.

Protein Kinase

Class of enzymes that phosphorylates other proteins. Many of these kinases are responsive to other chemical signals (e.g., cAMP, cGMP, insulin, epidermal growth factor, calcium, and calmodulin).

Intracellular Mediator

Molecules inside cells that transmit signals from a cell receptor to a target, playing a key role in cell signaling pathways.