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Biology Ch 3

Cells

QuestionAnswer
DIFFUSION the movement of particles from an area where they are more concentrated to an area where they are less concentrated.
FACILITATED DIFFUSION movement of specific molecules across cell membranes through protein channels
ACTIVE TRANSPORT energy requiring a process that moves material across a cell membrane against a concentration difference.
HYPERTONIC when comparing two solutions, the solution with the greater concentration of solutes.
HYPOTONIC when comparing two solutions, the solution with the lesser concentration of solutes.
EQUILIBRIUM when the concentration of a solute is the same throughout a solution
CELL MEMBRANE thin, flexible barrier around a cell; regulates what enters and leaves the cell
Created by: 3hansenkids
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