Substances That Can Carry Electrical Current Across Cell Membranes Are

question 8

Multiple Choice

Substances that can carry electrical current across cell membranes are called

• A) electrons.
• B) electrolytes.
• C) nonelectrolytes.
• D) osmoregulators.
• E) buffers.

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Validity

The extent to which a test, tool, or research accurately measures what it is intended to assess.

Rubric

A tool or set of guidelines used to evaluate or assess a task, performance, or project according to predefined criteria.

Informal Assessment

A method of evaluating student learning through less structured means, focusing on the observation of student performance and understanding.

Validity

Validity is the degree to which a test or assessment accurately measures what it purports to measure.