L0405_BE2_2013_462A

7 mckee structure of atp atp adenosine triphosphate

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Unformatted text preview: addi0ve Equilibrium constants – mul0plica0ve For a reac0on A B C •  Free energy changes are addi0ve ΔG’o(AC) = ΔG’o(AB) + ΔG’o(BC) •  Equilibrium constants are mul0plica0ve Keq’(AC) = Keq’(AB) × Keq’(BC) ex) Glucose ­1 ­phosphate is converted into fructose ­6 ­phosphate in two successive reac0ons ΔG’o kJ/mol glucose ­1 ­phosphate glucose ­6 ­phosphate –7.3 glucose ­6 ­phosphate fructose ­6 ­phosphate +1.7 glucose ­1 ­phosphate fructose ­6 ­phosphate Keq’ ATP is used as universal energy currency in living cells •  ATP created from ADP and Pi with energy from food and photosynthesis •  ATP drives biological processes –  synthesis of molecules –  transport of molecules –  mechanical work Fig 4.7 McKee Structure of ATP •  ATP  ­ ­ Adenosine Triphosphate •  ADP...
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