A Cell Membrane Can Undergo a Rapid Change from the Resting

question 90

Multiple Choice

A cell membrane can undergo a rapid change from the resting potential to carrying an action potential.Which process enables this change?

• A) Lipids in the cell membrane allow a few positive ions to move into the cell.
• B) Lipids in the cell membrane allow many positive ions to move into the cell.
• C) An ion channel protein allows a few positive ions to move into the cell.
• D) An ion channel protein allows very large numbers of positive ions to move into the cell.
• E) An ion channel protein floods the entire bulk solution in the cell with positive ions.

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Definitions:

Independent Variable

In an experiment, the variable that is manipulated by the researcher to observe its effects on the dependent variable.

Dependent Variable

The variable in an experiment that is observed and measured for changes to assess the effect of manipulations in the independent variable.

Psychological Experiment

A research method in psychology that tests hypotheses and theories by observing the outcomes of controlled interventions on human or animal subjects.

Independent Variable

In an experiment, the variable that is intentionally changed or manipulated by the researcher to observe its effect on the dependent variable.