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Non-competitive inhibition

Raven Biology Vocabulary Chapter 6

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Name____________________________ Biology Vocabulary Definitions Block______ Vocabulary For Unit ________________________________ Word Textbook Definition Your Definition Visual Image First Law of Thermodynamics Energy can be transferred and transformed, but it cannot be created or destroyed. Energy cannot be created or destroyed, only changed. Second Law of Thermodynamics Every energy transfer or transformation increases the entropy of the universe. The universe becomes more disorganized over time. Enthalpy The heat content of a system at constant pressure. Measure of heat content in an organism. Enzyme-Substrate Complex A temporary complex formed when an enzyme binds to its substrate molecule(s).

how enzymes function

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Enzyme catalysis 1 ENZYME CATALYSIS By (Student?s Name) Course Instructor Institution City, State Date One of the primary tasks of a protein is to act as an enzyme. Fundamentally, Enzymes are organic catalysts that speed up the rate of virtually all biochemical reactions that occur in a cell. Ordinarily, cellular chemical reactions proceed so gradually that they would not occur under normal organism?s conditions of temperature and pressure (Enzyme Catalysis, 2015). Concisely, enzymatically catalyzed reactions involve the provision of an alternative route alongside stabilizing intermediates. In turn, this causes a reduction in the energy required to reach the highest energy transition state of the reaction as shown below (Enzyme Catalysis, 2015).

Cell Bio chapter 8

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Concept 8.1 What is energy? Potential energy = stored energy Chemical bonds Concentration gradients (can be used to do cellular work) Electrical potential Kinetic energy = movement energy Heat = molecular motion Mechanical = moving molecules past each other Electrical = moving charged particles Forms of energy Biker at top of hill potential Biker going down hill kinetic Why do cells need energy? Synthetic work = building macromolecules (e.g., making protein) mechanical work = moving molecules past each other e.g., muscle shortening concentration work = creating chemical gradients e.g. storing glucose electrical work = creating ion gradients e.g., unequal distribution of sodium and potassium ions Metabolic pathways Catabolic pathways ? release energy
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