Lecture - Energy and Enzymes Part 1- october 18

76 and fig 48 posive g g increases more free energy

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Unformatted text preview: y CATABOLIC reac@ons is used to power ANABOLIC reac@ons. CATABOLIC (exergonic) Energy RELEASED ATP ADP + Pi ANABOLIC (endergonic) Energy USED ΔG = energy available to do work •  Change in Free energy (energy available to do work) ΔG = Gfinal state – Gini@al state OR ΔG = Free energy in products – Free energy in Reactants Nega@ve ΔG G decreases Products have LESS free energy than reactants •  ENERGY RELEASED •  EXERGONIC •  systems are LESS stable and thus spontaneous Pg. 76 and Fig. 4.8 Posi@ve ΔG G increases More free energy in products than reactants. •  ENERGY USED (put into the system) •  ENDERGONIC •  systems tend to be MORE stable. NOT spontaneous. Pg. 76 and Fig. 4.8 Metabolic Pathways and Reactions Series of sequen/al reac/ons in which products of one reac/on are used immediately as reactants for the next reac/on in the s...
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This note was uploaded on 12/11/2013 for the course BIOLOGY 1000 taught by Professor Rebeccajubis during the Fall '11 term at York University.

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