TCAP Science - Grade 7 Practice Questions - Tennessee Comprehensive Assessment Program (TCAP) Grade 7 Science Practice Examination Exam

Which characteristic best describes the cell membrane's role in maintaining homeostasis?

It acts as a selectively permeable barrier controlling what enters and leaves the cell It generates electric currents to power organelle movements It forms a completely rigid and impermeable wall around the cell It dissolves all incoming molecules into raw atomic elements

Correct Answer:

It acts as a selectively permeable barrier controlling what enters and leaves the cell

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