Enzymes
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each of the black spaces below before clicking
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Help!
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| What is Cell Metabolism? | the sum of All Chemical Reactions in a cell
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| What determines Reation Direction/Law of Mass Action? | INCREASES in Reactant --> INCREASES in Product formation
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| What are some of the determinants of Reaction Rates? | 1. Chemical Concentrations of Reactants; 2. Temperature; 3. Activation Energy; 4. Catalysts
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| How does Heat determine Reaction Rates? | 1. provides high impact collisions need to impart Activation Energy
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| What is Activation Energy? | Kinetic Enregy NECESSARY to start a Chemical Reaction
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| What is the function of Catalysts? | SPEEDS up Reaction, but is not consumed
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| Whata re Enzymes? | metabolic Catalysts
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| What are the functions of Enzymes? | 1. SPEED Reactions w/o being altered themselves; 2. DON"T CAUSE Reactions that would otherwise occur
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| What is a Substrate? | Reactant: any Organic Molecule BOUND To or ACTED on by an Enzyme
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| What is an Enzyme? | 3-Dimensional Protein Catalyst
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| What is an ES-Complex? | Substrate ADSORBED onto the surface of Enzyme, forming TEMPORARY Chemical Association
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| What is Geometric Specificity? | one Enzyme reacts with only Specific Substrates
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| What is an Active Site? | area of an Enzyme molecule that fits the Geometric Configuration of a Specific Substrate
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| What is the basic scheme of Metabolic Reactions? | Enzyme + Substrate --> <-- ES-Complex --> <-- Products + Enzyme
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| What is the fuction of Enzyme Action? | LOWERS Activation Energy requirements
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| How does Enzyme Action LOWER Activation Energy? | 1. WEAKENS/distorts existing bonds within a substrate or changes its shape; 2. promtes new bonds by properly ORIENTING 2 Substrates
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Created by:
Kristel
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