Study Guide 5 Answers

Study Guide 5 Answers - Answers to study guide 5 Proteins/...

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Answers to study guide 5 Proteins/ Enzymes Questions: What determines the reaction rate of an exergonic reaction and how enzymes speed up the reaction rate? The rate (all reactant and product concentrations, temperature, pressure being held constant) is determined by the _ activation energy in the_ transition state. An enzyme lowers the activation energy and thereby speeds up the reaction. Enzymes are biological _ catalysts . For a typical enzyme and substrate the mechanisms whereby the enzyme lowers the activation energy include the following: The enzyme’s _ tertiary structure has some pocket or groove of highly specific and particular shape (the _ active site ) so that the reactants can enter and the enzyme-substrate complex adjust its shape in the initiation phase. The new shape of reactants in the active site causes a more favorable breaking or making of chemical bonds in the _ transition phase. All enzymes use their amino acid’s _ R groups to hold the reactant and some enzyme’s may use a _
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This note was uploaded on 05/25/2011 for the course BS 111 taught by Professor Patterson during the Winter '05 term at Michigan State University.

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Study Guide 5 Answers - Answers to study guide 5 Proteins/...

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