Lecture 18 slides

Lecture 18 slides

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Unformatted text preview: 4 Energy Metabolism is all about ENERGY. • What do we mean by “energy” What is Energy? •  Capacity to do work   Kinetic Energy   Potential Energy •  Units   kilocalorie (kcal) (= 1000 cal)   joules (= 0.239 cal) •  What kind of work is done by cells? 5 Energy Energy in a broad sense... •  1st Law of Thermodynamics   Energy can be converted from one form to another, but can’t be created or destroyed •  Conservation of Energy 6 Energy in a broad sense... •  So, if energy is constant... Energy in a broad sense... •  1st Law of Thermodynamics   Energy can be converted from one form to another, but can’t be created or destroyed •  Conservation of Energy •  2nd Law of Thermodynamics   Entropy in the universe alw...
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This note was uploaded on 12/09/2011 for the course BSCI 105 taught by Professor Jensen during the Spring '07 term at Maryland.

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