phospholipid bilayer - plasma membrane layers composed of phospholipid molecules arranged with polar heads facing the outside and nonpolar tails facing the inside., transport protein - protein that moves substances or wastes through the plasma membrane., selective permeability - property of the plasma membrane that allows it to control movement of substances into or out of the cell., Mitchondria - membrane-bound organelle that converts fuel into energy that is available to the rest of the cell., Chloroplast - double-membrane organelle that captures light energy and converts it to chemical energy through photosynthesis., Ribosome - simple cell organelle that helps manufacture proteins., Reactant - substance that exists before a chemical reaction starts; located on the left side of the arrow in a chemical equation., Product - substance formed by a chemical reaction; located on the right side of the arrow in a chemical equation., ATP - nucleotide made of an adenine base, a ribose sugar, and three phosphate groups; short for adenosine triphosphate., active transport - energy-requiring process by which substances move across the plasma membrane against a concentration gradient., osmosis - diffusion of water across a selectively permeable membrane., Diffusion - net movement of particles from an area of higher concentration to an area of lower concentration.,

Vocabulary Review 1 - 4B, 5B, 8B, 11A

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