chapter 6 Energy and Metaboliwm powerpoint (1)

chapter 6 Energy and Metaboliwm powerpoint (1) - Energy and...

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1 Energy and Metabolism Chapter 6
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2 Outline Flow of Energy in Living Things Laws of Thermodynamics Free Energy Activation Energy Enzymes Forms Activity ATP Biochemical Pathways
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3 Flow of Energy in Living Things Energy - the capacity to do work kinetic - energy of motion potential - stored energy Thermodynamics - changes in heat calorie - heat required to raise the temperature of one gram of water one degree Celsius kilocalorie = 1000 calories
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4 Flow of Energy in Living Things Oxidation - Reduction Oxidation occurs when an atom or molecule loses an electron. Reduction occurs when an atom or molecule gains an electron. Redox reactions occur because every electron that is lost by an atom through oxidation is gained by some other atom through reduction.
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5 Laws of Thermodynamics First Law of Thermodynamics Energy cannot be created or destroyed, but only change form. During each conversion, some of the energy dissipates into the environment as heat. Heat is defined as the measure of the random motion of molecules.
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6 Laws of Thermodynamics Second Law of Thermodynamics The disorder (entropy) in the universe is
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This note was uploaded on 10/20/2010 for the course PSYCH 101 taught by Professor Wyllie during the Fall '08 term at Delgado CC.

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chapter 6 Energy and Metaboliwm powerpoint (1) - Energy and...

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