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Chapter 8-9 (catabolic pahtways (cells break down glucose to form ATP,…
Chapter 8-9
catabolic pahtways
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aerobic respiration, other substances are used as reactants in harvesting chemical energy
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aerobic respiration has three steps: glycolysis, citric acid cycle, and oxidative phosphorylation
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free energy
free energy- energy that can do work under cellular conditions, change in free energy during biological process is related to enthalpy change
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when free energy decreases, the stability of an environment increases
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energy- the capacity to cause change, there are many forms
kinetic energy- uses motion, associated with thermal energy and uses random motion of atoms or molecules
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potential energy- has to do with location and structure of the matter, also includes chemical energy with molecules due to structure
first law of thermodynamics- converting energy, states that energy can't be created or destroyed, can only be transferred or transformed
second law of thermodynamics- spontaneous processes that required no energy increase the entropy of the universe
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