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COB Chapter 7

QuestionAnswer
organism that lacks membrane bound organelles prokaryote
organism that has membrane bound organelles eukaryote
membrane bound organelle that is the control center of the cell nucleus
phospholipid bilayer that serves as a boundary for the cells and controls what can enter and leave plasma membrane
only allows certain substances to cross but not others selective permeability
model in which phospholipids of the plasma membrane are the sea in which other molecules float fluid mosaic model
moving substances into and out of the cell using cellular energy active transport
moving substance into and out of the cell as well as through the cytoplasm without using any energy passive transport
movement of substances from a high concentration to a low concentration diffusion
diffusion of water across a membrane osmosis
Created by: abolvin
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