Efflux Pumps

question 43

Multiple Choice

Efflux pumps

• A) allow nutrients into the cells through specialized channels in the bacteria's outer membrane.
• B) allow electrolytes into the cells through specialized channels in the bacteria's outer membrane.
• C) act as a semi-permeable membrane and maintain the cell's osmotic pressure.
• D) function as transporter proteins involved in the removal of toxic substances from the interior of the cell to the external environment.

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Definitions:

Intercorrelations

Statistical measures that indicate the strength and direction of relationships between multiple variables.

Factor Analysis Validity

Factor Analysis Validity involves using factor analysis, a statistical method, to identify the underlying structure of psychological constructs, thus helping to validate the content of a test.

Convergent Validity

A method of demonstrating construct validity by correlating a test with some other well-known measure or instrument.

GREs

The Graduate Record Examinations, a standardized test that is an admissions requirement for many graduate schools in the United States and other countries.