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AP Biology Chapter 8 Flashcards

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7271401313catabolic pathwaysrelease energy by breaking down complex molecules0
7271401314anabolic pathwaysconsume energy to build complicated molecules1
7278948454bioenergeticsstudy of how energy flows through living organisms2
7278949932energycapacity to cause change3
7278951369kinetic energyenergy associated with relative motion of objects4
7278953624thermal energyenergy associated with random movement of atoms or molecules5
7278955911potential energyenergy that matter possesses because of its location or structure6
7278959013chemical energyrefers to the potential energy available for release in a reaction7
7278965282entropymeasure of disorder or randomness is delta S8
7278967788spontaneous processprocess that can occur without input of energy9
7278969521free energyportion of a system's energy that can perform work10
7278972703exergonic reactionnet release of free energy11
7278974477endergonic reactionabsorbs free energy12
7278976825energy couplingthe use of exergonic process to drive an endergonic one13
7278983473phosphorylated intermediaterecipient in hydrolysis of ATP14
7278985578enzymemacromolecule speeding up reaction15
7278988050catalystchemical agent speeding up reaction16
7278989525activation energyenergy required for starting a reaction17
7278991621substratereactant an enzyme acts on18
7278994859active siteregion of enzyme bonding to substrate19
7278996529induced fitbrings chemical groups of the active site into positions that enhance their ability to catalyze the reaction20
7278999816cofactorsnonprotein helpers for catalytic activity (inorganic)21
7279002760coenzymeorganic cofactor22
7279005432noncompetitive inhibitorsimpede enzymatic reactions by bonding to another part of the enzyme23
7279009191allosteric regulationprotein's function at one site is affected by the binding of a regulatory molecule to a separate site24
7279015350cooperativitymechanism that amplifies the response of enzymes to substrates A form of allosteric regulation that can amplify enzyme activity25
7279019839feedback inhibitionwhen metabolic pathway is switched off by the inhibitory binding of its end product to an enzyme that acts early in the pathway26

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