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11 Cards in this Set
- Front
- Back
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allosteric regulation
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The binding of a molecule to a protein that affects the function of the protein at a different site.
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bioenergetics
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The flow of energy through an animal, taking into account the energy stored in the food it consumes, the energy used for basic functions, activity, growth, reproduction, and regulation, and the energy lost to the environment as heat or in waste.
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catalyst
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A chemical agent that changes the rate of a reaction without being consumed by the reaction.
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coenzyme
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An organic molecule serving as a cofactor. Most vitamins function as coenzymes in important metabolic reactions.
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energy
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The capacity to do work (to move matter against an opposing force).
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entropy
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A quantitative measure of disorder or randomness, symbolized by S.
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kinetic energy
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The energy of motion, which is directly related to the speed of that motion. Moving matter does work by imparting motion to other matter.
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metabolism
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The totality of an organism’s chemical reactions, consisting of catabolic and anabolic pathways.
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phosphorylated
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Referring to a molecule that has been the recipient of a phosphate group.
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potential energy
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The energy stored by matter as a result of its location or spatial arrangement.
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thermodynamics
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(1) The study of energy transformations that occur in a collection of matter. See first law of thermodynamics and second law of thermodynamics. (2) A phenomenon in which external DNA is taken up by a cell and functions there.
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