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15 Cards in this Set
- Front
- Back
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mixture
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a combination of substances that can be separated by physical means and can be either the same throughout (homogeneous) or have different parts with different compositions (heterogeneous)
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organic compounds
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most compounds that contain carbon
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enzymes
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specific proteins that regulate almost all the chemical reactions in cells without being changed themselves
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inorganic compound
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most compounds made from elements other than carbon
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diffusion
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mixing of particles in a gas or liquid
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equilibrium
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state in which the molecules of a substance are evenly distributed throughout another substance
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osmosis
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diffusion of water through a cell membrane
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passive transport
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movement of substances through a cell membrane without the use of cellular energy
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active transport
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energy-requiring movement of substances through a cell membrane
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endocytosis
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process in which substances too large to cross the cell membrane enter the cell
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exocytosis
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process in which large particles leave the cell
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metabolism
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total of all chemical reactions in a living thing
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producer
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organism that makes its own food
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consumer
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organism that can't make its own food
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fermentation
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form of respiration without oxygen
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