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Hannah Chap. 3 vocab

TermDefinition
Active Transport Energy-requiring process in which transport proteins bind with particles and move them through a cell membrane.
Cellular Respiration Chemical reactions occur that break down food molecules into simpler substances and release their stored energy.
Diffusion A type of passive transport in cells in which molecules move from area where there are more of them to areas where there are fewer of them.
Endocytosis Process by which a cell takes in a substance by surrounding it with the cell membrane.
Enzyme A type of protein that regulates nearly all chemical reactions in a cell.
Equilibrum A state in which opposing forces or influences are balanced.
Exocytosis Process by which vesicles released their contents outside the cell.
Fermentation Process by which oxygen lacking cells and some one-celled organisms released small amounts of energy from glucose molecules and produce waste such as alcohol,carbon dioxide, and lactic acid.
Inorganic Compound Compound,such as H2O, that is made from elements other than carbon and whose atoms usually can be arranged in only one structre.
Metabolism The total of all chemical reaction in an organism.
Mixture A combination of substances in which the individual substances do not change or combine chemically but instead retain their own individual properties;combination of them.
Organic Compound Compound that always contain hydrogen and carbon;carbohydrates,lipids,proteins,and nucleic acids are organic compounds found in living things.
Osmosis A type of passive transport that occurs when water diffuses through a cell membrane.
Passive Transport Movement of substances through a cell membrane without the use of cellular energy;includes diffusion,osmosis,and facilitated diffusion.
Photosynthes Process by which plants and many other producers use light energy to produce a simple sugar from carbon dioxide and water and give off oxygen.
Created by: cheri74
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