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10 terms

Water Balance in Cells

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Isotonic
The ideal osmotic environment for an animal cell is a(n) ____ environment.
Hypotonic
An animal cell placed in a(n) ____ solution will gain water, swell, and possibly burst.
Hypertonic
There is a net diffusion of water out of an animal cell when it is placed in a(n) ___ solution.
Hypotonic
The ideal osmotic environment for a plant cell is a(n) ___ environment.
Hypertonic
A plant cell placed in a(n) ___ solution will lose water and plasmolyze.
Isotonic
A plant cell surrounded by a(n) ___ solution will be flaccid (limp).
Diffusion
What is the movement of particles down their concentration gradient?
In active transport,
molecules move across the plasma membrane against their concentration gradient
Facilitated diffusion
molecule moves down its concentration gradient using a transport protein in the plasma membrane.
Water crosses the plasma membrane
through facilitated diffusion or diffusion