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Ch 8-9: Metabolism (Catabolic pathways;
Cell respiration (aerobic…
Ch 8-9: Metabolism
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Enzymes
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when an enzyme population is saturated, the only way to increase product rate is to add more enzymes
transition state- unstable condition when atoms/molecules have absorbed enough energy to break bonds
cofactors- nonprotein helpers for chemical processes, attach to enzymes or substrates
activation energy- energy required to contort reactant molecules so bonds can break (E,A); energy needed to push reactants to the top of the energy barrier
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noncompetitive inhibitor- bind to the enzyme outside of the active site to impede enzyme functionality
allosteric regulation- regulates proteins function by binging regulatory molecule to non-active site
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energy
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equilibrium- maxium stability, not net change of products/reactants
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endergonic reaction- uses free energy, essentially stores energy
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mechanical work- movement, muscle contraction
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phosphorylated intermediate- recipient molecule + phosphate group, key to coupling
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Thermodynamics
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metabolism- organisms chemicals reactions, which manage material/energy resources
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spontaneous process- occurs without input of energy,
-∆G
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