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S.A. 8.1

Section Assessment for 8.1

QuestionAnswer
What factors affect osmosis? eoncentrations and energy levels
What happens to animal cells in hypotonic sol.? plant cells? animal burst, plant firm up under turgor pressure, or squeeze water out with a contractile vacuole
Compare and contrast active transport and facilitated diffusion. both are diffusion and need help. Acive uses energy, but facilitated just uses proteins and no energy
How do carrier proteins work? change shape so that substances can move across the plasma membrane
If a paramecium is in freshwater, but it shrivels, what can you conclude? there is still more salt in the water than the paramecium, or the paramecium needs salt in it; to balance the concentrations (either way)
Created by: 100001457977259
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