BIO 401 EXAM NOTES PART ONE - FUNDAMENTAL TERMS (Hickman Zoology - Chapter 4)
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each of the black spaces below before clicking
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| Collective chemical process that occur within the cell to accomplish such activities | Cellular Metabolism
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| Energy of Motion: | Kinetic Energy
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| Stored Energy | Potential Energy
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| Energy Can Not Be Created Or Destroyed | First Law of Thermodynamics
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| Closed system would move towards disorder or entropy as energy is dissipated from the system | Second Law of Thermodynamics
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| Energy available to do work has operational definition especially useful for biochemists to explain energy changes in chemical reactions: | Free Energy
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| Spontanneous reactions in cells that release free energy in cells... | Exergonic
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| Reactions that require addition of free energy | Endergonic
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| Catalysts of the living world are... | Enzymes
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| The rate of molecular collisions in the system increases as.... | temperature goes up which is also one of the ways to activate chemical reactants; dramatic temperature changes may be not suitable for biological reactions.
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| Living systems use.... () in chemical reactions | catalyst
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| What are the most important properties of enzymes for biochemist? | 1. Enzyme only affect THE REACTION RATE
2. They DO NOT alter the free energy change of a reaction. Thus, they DO NOT change the PROPORTIONS OF REACTANTS AND PRODUCTS in the reaction.
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| Molecular weight of enzymes.... | VARIES tremendously from 10,000 with molecular weights to 1 million
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| A required substrate substance in the activation of an enzyme; a prosthetic or non protein constituent of enzyme | Coenzyme
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| What are the typical examples of Coenzymes? | B complex vitamins are coenzymatic compounds.
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| Binding of enzyme to substrate forms a... | Enzyme-Substrate complex
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| The substance upon which an enzyme acts; also a base or foundation; a substance or base on which an organism grows... | Substrate
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| One of the distinctive properties of enzymes is their... | High Specificity
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| As proteolytic enzyme pepsin degrades proteins into amino acids in undergoes the... | catabolic reaction
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| Reaction that involves resynthesizing of amino acids... | anabolic reaction
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