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How does RNA differ from DNA?
How does the plasma membrane act as a selectively permeable membrane?
Define diffusion and osmosis. Explain how osmosis helps plant leaves remain firm. What is the term for water pressure inside plant cells?
Define hypotonic, hypertonic, and isotonic. What would be the fate of an animal cell immersed in each of these three types of solution?
Distinguish between atoms and molecules and among protons, neutrons, and electrons.
