Q: A diver's air bubbles increase in size as he approaches the surface because what decreases? Choices: - water direction - water weight - water energy - water pressure A:
water pressure
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Q: The end result of diffusion is an equal concentration, or equilibrium , of molecules on both sides of what? Choices: - the cell - the organism - the organelle - the membrane A:
the membrane
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Q: Because it can be controlled intentionally, skeletal muscle is also called what type of muscle? Choices: - automatic - necessary - involuntary - voluntary A:
voluntary
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Q: Diffusion is an effective transport mechanism over the spatial scales typically found at what level? Choices: - electromagnetic - molecular - atom - cellular A:
cellular
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