The Action of the Sodium-Potassium Exchange Pump Is Electrogenic

question 25

Multiple Choice

The action of the sodium-potassium exchange pump is electrogenic. What does this mean?

• A) The exchange pump uses the electrical gradient to pump ions..
• B) The exchange pump produces an electrical charge.
• C) The exchange pump is responsible for the membrane potential.
• D) The exchange pump counteracts the effect of the electrical gradient.
• E) The exchange pump uses ions to pump water out of the cell.

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Definitions:

Correlation

A statistical measure that indicates the degree to which two variables fluctuate together, ranging from -1 (perfect negative correlation) to +1 (perfect positive correlation).

Variance

A statistical measure that represents the dispersion or spread of a set of data points around their mean value.

Coefficient of Determination

A statistical measure that represents the proportion of the variance for a dependent variable that's explained by an independent variable or variables in a regression model.

Correlation

A statistical measure that expresses the extent to which two variables change together, ranging from -1 to 1.