Popular in Biology 1
Popular in Science
This 1 page Class Notes was uploaded by Kristina Cowan on Tuesday November 3, 2015. The Class Notes belongs to BIOL1081 at The University of Cincinnati taught by Heather Wilkins in Fall 2015. Since its upload, it has received 21 views. For similar materials see Biology 1 in Science at The University of Cincinnati.
Reviews for NotesonMetabolism.pdf
Report this Material
What is Karma?
Karma is the currency of StudySoup.
Date Created: 11/03/15
Bio Exam 2 Notes Metabolism 0 Metabolic pathways series of reactions Each step catalyzed by specific enzyme Catabolic break down molecules and release energy 0 Exergonic energyreleasing process Anabolic build molecules and consume energy 0 Endergonic reaction energyconsuming process cellular work 0 Forms of Energy Capacity to do work cause change Kinetic movement Potential stored Chemical stored in bonds of a molecule 0 Laws of Thermodynamics 1 Every cannot be created or destroyed it is transferred or transformed converted Principle of Conservation of Energy 2 Ever energy transfer or transformation increase entropy of the universe inefficient energy is lose usually by heat a Entropy a measure of disorder or randomness less organization more entropy for a molecule less potential energy 0 Spontaneous and NonSpontaneous Reactions Free energy is available to do work Change in free energy free energy of the final state free energy of the initial state Spontaneous reactions have a negative change in free energy can be harnessed to perform work 0 Exergonic reactions energy released spontaneous change in free energy is nega ve NonSpontaneous reactions 0 Endergonic reactions energy required nonspontaneous change in free energy is positive absorbs free energy from its surroundings no release of energy ATP powers ceuar work 0 Coupled reactions an exergonic reaction I coupled to an endergonic reaction 0 Often mediated by ATP