bio_101_lecture_ch6-_metabolism

bio_101_lecture_ch6-_metabolism - BIO 101 Chapter 6 Ground...

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BIO 101 Chapter 6 Chapter 6 Ground Rules of Metabolism Ground Rules of Metabolism
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Energy Flows Energy is not created or destroyed, a finite amount of energy in the universe (1 st law of thermodynamics) Energy is converted from one form to another. It flows in one direction, spontaneously, from a concentrated (ordered) form to a less concentrated for (2 nd law of thermodynamics) Example: photosynthesis converts solar energy to chemical energy
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Energy The capacity to do work, Energy makes change, it causes something to happen`` Types: Potential - stored energy the potential energy of molecules is called chemical energy Kinetic - energy of motion Thermal - heat
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heat heat heat heat heat Solar energy Chemical energy ONE WAY FLOW OF ENERGY
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The molecules of life do not form spontaneously, and they are not that stable in the presence of free oxygen, which reacts with them and disrupts their structure. Cellular mechanisms safeguard these molecules. They control when and where energy
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This note was uploaded on 06/21/2011 for the course BIO 101 taught by Professor Staff during the Spring '08 term at Northern Virginia Community College.

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bio_101_lecture_ch6-_metabolism - BIO 101 Chapter 6 Ground...

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