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Biol 130 - Unit 4 Energy Lecture Notes.pdf

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BIOL 130
Todd Holyoak

Unit 4Food molecules oxidizedActivated carrier molecules carries energyMolecule in cell uses energy to convert to molecule needed by cell AnabolismCatabolismEnergetically Energetically unfavourablefavourableSynthesis of macromolecules requires ATPElectron CarriersCoenzymes that carry electrons from one reaction to another Energy from hydrolysis of ATP is what drives condensation reaction bw macromoleculeshydride atom 2 electrons1 H NAD FAD NADPIn nucleic acids nucleoside monophosphate gets 2 phosphates from hydrolysis of ATP to form nucleoside triphosphateATPADPPiADPPiATPWater added HydrolysisEnergy from sunlight foodProduces energy for cellular workNADPNADPHNADPHNADPReduced OxidizedStepwise oxidation of Sugar in cells Direct burning of sugar VSSmall activation energies overcome by body temperature which releasesLarge activation energy overcome by heat of a fire which releasesFree energy stored in ATP and activated carrier moleculesAll free energy is lost by heat3 Ways to make ATPWhatWhereHowSubstrate Level Glycolysis Cytoplasm Krebs Cycle Addition of phosphate to ADP via kinase enzyme Phosphate comes from a molecules substratePhosphorylationMitochondriaOxidative Electron Transport Chain mitochondrial inner NADH FADH enter ETC become oxidized to form NAD FAD Oxidation provides force proton pump for ATP Phosphorylati
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