=Chp6 Vocabs=
organelle-a specific job to do for each part of a cell
plasma membrane- a thin outer covering of cells
nucleus- the center of a cell which houses the cell's genetic material in the form of DNA
cytoplasm- the entire region of the
cell wall- the wall of cell that protects the plant cell and maintains its shape
prokaryotic cell- one kind of cell that lacks a nucleus and most other organelles
eukaryotic cell- another kind of cell that has a nuclus surrounded by its own membrane, and has other internal organelles bounded by membranes.
diffusion- the net movement of the particles of a substance from where they are more concentrated to where they are less concentrated
equilibrium- point at which the number of diffusing molecules moving in one direction is equal to the number moving in the opposite direction
selectively permeable membrane- membrane that allows some substances to pass more easily than others and blocks the passage of some substances altogehter.
