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Lecture

9 - Energy and Catalysis.docx

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Department
Biology (Sci)
Course
BIOL 112
Professor
Frieder Schoeck
Semester
Winter

Description
Energy and CatalysisMetabolism 2 types1 Anabolic gain of energy 2 Catabolic release of energy Energy ConversionFirst Law of ThermodynamicsEnergy can not be created nor destroyed initialfinal Energy has a drive to be evenly distributeddispersedSecond Law of Thermodynamics Energy spontaneously disperses to become spread out if not hindered in doing so Energy conversion only occurs ifTo judge biochemical reactions we must find the amount of energy used in a reactionCells release free energy by dispersing energyincreasing entropy1 chemical reactions creating disorder digesting a polymer2 release heat by chemical reactionTotal Free EnergyGH enthalpyheatT temperatureS entropydisorderChange in Free EnergydGdHdS dGGendGs
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