Ch 6 Bio - Chapter 6 Energy, Enzymes, and Metabolism e x e...

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Chapt er 6, page 1 Chapter 6 Energy, Enzymes, and Metabolism exergonic endergonic
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Chapt er 6, page 2 $$ = ATP
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Chapt er 6, page 3
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Chapt er 6, page 4
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Chapt er 6, page 5 X-gal ---------------> galact ose + 4-Cl-3-Br-indigo (colorless) (colorless) (deep blue) lact ose ---------------> galact ose + glucose (colorless) (colorless) (colorless) ! -galact osidase
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Chapt er 6, page 6
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Chapt er 6, page 7 Enzyme inhibit ors
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Chapt er 6, page 8
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Chapt er 6, page 9 Chapt er 6 Key Words: Active site ATP (adenosine triphosphate) Allostery Catalyst Coenzyme Cofactor Competitive inhibitor Enzyme Prosthetic group Induced fit Isozymes Noncompetitive inhibitor Substrate Activation energy ( E a) Entropy Energy Endergonic, Exergonic reaction First law of thermodynamics Free energy Kinetic energy Ribozyme Second law of thermodynamics Metabolism Anabolism Catabolism End product inhibition Pathway
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Chapt er 6, page 10 Chapt er 6 Highlights: I. Energy and Energy Conversions A. Energy changes are related to changes in matter B. The first law: Energy is neither created nor destroyed C. The second law: Not all energy can be used, and disorder tends to increase D. Chemical reactions release or take up energy E. Chemical equilibrium and free energy are related II. ATP: Transferring Energy in Cells A. ATP hydrolysis releases energy B. ATP couples exergonic and endergonic reactions III. Enzymes: Biological Catalysts A. For a reaction to proceed, an energy barrier must be overcome B. Enzymes bind specific reactant molecules C. Enzymes lower the energy barrier but do not affect equilibrium D. What are the chemical events at active sites of enzymes? IV. Molecular Structure Determines Enzyme Function
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This document was uploaded on 03/29/2012.

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Ch 6 Bio - Chapter 6 Energy, Enzymes, and Metabolism e x e...

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