Ions Diffuse Across Membranes Through Specific Ion Channels

question 33

Multiple Choice

Ions diffuse across membranes through specific ion channels

• A) down their chemical gradients.
• B) down their concentration gradients.
• C) down the electrical gradients.
• D) down their electrochemical gradients.
• E) down the osmotic potential gradients.

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Definitions:

Dependent Variables

These are variables in an experiment that are expected to change as a result of an experiment's manipulation of the independent variable.

Blind Observers

Individuals who assess experimental data or conduct an evaluation without knowing the specific details or hypothesis being tested to prevent bias.

Demand Characteristics

Cues in an experiment that suggest to participants what behavior is expected, desired, or appropriate, potentially influencing the outcomes.

Hypothesis

A proposed explanation for a phenomenon, made as a starting point for further investigation, often tested through scientific method.