BSCI 10120 Lecture Notes - Lecture 12: Speed Bump, Activation Energy, Reaction Rate

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Free energy- telling us wether the reaction will stabilize or not- will be on y axis- course of time (reaction) x axis. Endergonic reaction - requires energy input to occur- energy must be supplied. Exergonic reaction - less free energy in the products - energy is released - spontaneous. Activation energy amount of energy you have to overcome to get your chemical reaction to work (speed bump) for most reactions to proceed. Others have to form substances must collide in a speci c orientation that brings the electrons involved near each other. Higher concentrations and higher temperature increase the number of collisions. Higher concentrations and higher temperature therefore increases reaction rate. Playground balls example (more balls bouncing increases chances that they will bump into each other) Made of amino acid polymers substrate- reactant for enzyme. Enzymes - how life does things when you need to lower activation energy. When a word ends in ase- it means its an enzyme.

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