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AP Bio Metabolism Flashcards

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7640465960Metabolismall of the RXN's in a living system (making, breaking)0
7640473570Cataboliccellular respiration breaking down molecules downhill reaction passive1
7640478220Catabolic Energyexergonic - releasing energy spontaneous high potential energy to low no major energy input required2
7640500861Anabolicphotosynthesis building up molecules uphill reaction active3
7640518649Anabolic Energyendergonic - absorbing energy NOT spontaneous low potential energy to high STORED energy inputted4
7640537147△G = △H - T△SH = enthalpy/ total energy S = entropy/ disorder T = temp. in kelvin5
7640547156△G > 0uphill/endergonic not spontaneous requires energy6
7640549983△G < 0 -△Gdownhill/exergonic spontaneous7
7640556065Spontaneous Reactionsdecrease molecules free energy losing potential energy into environment more stable closer to equilibrium8
7640564659Equilibrium Preventingconstant flow of material energy in and out of system9
7640564660Cell Deathequilibrium10
7640569183ATPunstable higher potential energy11
7640574273ADPstable less potential energy12
7640604238ATP to ADPATP is hydrolysed from ATP to ADP exergonic catabolic13
7640621425ATP synthesisbeing built back up from ADP -> ATP uphill requires energy investment14
7640643514Coupled Reactionsuse energy release of exergonic RXN to fuel the energy requirement of endergonic RXN all RXN's are a little of one and a lot of the other15
7640654137Enzymesspeed up RXN's by lowering activation energy catalyst16
7640661714Catalystmake spontaneous RXN's more spontaneous17
7640669798Enzyme Ideal Ranges/Graphsdifferent enzymes have different preferences optimal range of heat/salt/acid18
7640676715Negative Feedback Loopsincrease leads to decrease ex. thermostat19
7640684711Positive Feedback Loopsincrease leads to increase ex. fever or contractions20
7640695536Substrate/ Active Site/ Enzyme Actionactive site needs to be a perfect fit21
7640730494Cofactors/ Coenzymes22
7640791875Enzyme Inhibitorsmolecule that binds to an enzyme and decreases its activity competitive and noncompetitive23
7640800834Allosteric Regulationsregulation of a protein by binding an effector molecule at a site other than the enzyme's active site24
7640808392Cooperativityincrease or decrease in the rate of interaction between a reactant and a protein as the reactant concentration increases25

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