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, Enzymes, and Metabolism

, Enzymes, and Metabolism - Energy Enzymes&...

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Unformatted text preview: Energy, Enzymes, & Metabolism-energy, ability to do work-potential energy- stored energy (chemical bonds, solute gradients, electrical imbalance)- kinetic nrg- nrg that does work- sources of energy: light, oxidation of organic and inorganic compounds-sources of carbon: organic compounds: heterotrophy CO 2 : autotrophy Catabolism : biochemical oxidation that extracts nrg from chemical inputs; releases NRG Anabolism : how nrg is used; biosynthesis; consume free nrg hy hydrolysis of ATP; tend to be reductive Barter system Catabolism(ox) Anabolism (red) 1 A 2 B 3 C-inefficient, doesn’t allow for a large range of biochemical activities Catabolism (ox) __________ Anabolism (red) 1 | ATP | A 2 | NADH| B 3 |_________ | C-catabolism- large molecules free nrg + small molecules-anabolism- small molecules + free nrg large molecules Free Energy and Equilibrium ΔG=ΔH-TΔS-Spontaneous Will occur in an isolated system w/o outside nrg input-ΔG exergonic Nonspontaneous Will not occur w/o extra nrg in an isolated system + ΔG endergonic...
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, Enzymes, and Metabolism - Energy Enzymes&...

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