BS 181H Study Guide - Midterm Guide: Activation Energy, Thermodynamics, Nicotinamide Adenine Dinucleotide
3 Mar 2016
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Document Summary
Overall focus is on understanding and knowing principles of energy and. Metabolism and the details of glycolysis and respiration. A route through the network is a pathway concept is limited; useful for conceptualizing, but not how most biology operates; network is how it operates; operates as a whole. Each step is catalyzed by a specific enzyme (100s) Catabolic pathways: result in breakdown and are usually exergonic (release free energy) Anabolic pathways: promote synthesis and are usually endergonic; in which case they must be coupled to an exergonic reaction. Principles of energy law of thermodynamics, their meaning for biology; Metabolism: the sum total of all chemical reactions that occur within an organism. Also, a specific set of chemical reactions occurring at the cellular level. Chemical reactions: 2 factors govern fate of a chemical reactions: direction: forward, backward, equilibrium. Many cells use atp to drive reactions in directions.
