Vocab Biology 3.4

7 terms by athena27

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Passive Transport

the movement of molecules across a cell membrane without energy input from a cell

Diffusion

the movement of molecules in a fluid or gas from a region of higher concentration to a region of lower concentration

Osmosis

When water molecules diffuse

isotonic

when a cell has the same concentration of dissolved particles

hypertonic

a solution that has a higher concentration of dissolved particles than a cell

hypotonic

a solution that has a lower concentration of dissolved particles than a cell

faciliated diffusion

the diffusion of molecules across a membrane through transport proteins

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