To propose: A model on the basis of graph to explain the molecular event occurring at each stage of the reaction profile. Concept introduction: Enzymes are catalysts that enhance the rate of a reaction. The enzyme assay is a technique performed in laboratories to determine the concentration and activity of an enzyme. It is a very useful technique as it can provide information about the interaction of the enzyme with the substrate, drugs, inhibitors, and others.

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Chapter 8, Problem 9TYU

Summary Introduction

To propose: A model on the basis of graph to explain the molecular event occurring at each stage of the reaction profile.

Concept introduction: Enzymes are catalysts that enhance the rate of a reaction. The enzyme assay is a technique performed in laboratories to determine the concentration and activity of an enzyme. It is a very useful technique as it can provide information about the interaction of the enzyme with the substrate, drugs, inhibitors, and others.

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Enzyme Investigation An enzyme was isolated from digestive juices taken from the small intestine. An experiment was set up to test the ability of the enzyme to break down protein. Two test tubes, labeled A and B, were placed in a hot water bath at 37°C, human body temperature. Test tube A contained only protein and test tube B contained protein and the enzyme. The chart below shows the set-up. After two hours, the contents of both test tubes were analyzed. Test tube A showed only the presence of protein. Test tube B showed the presence of the end products of protein digestion, indicating the enzyme had successfully broken down the protein. Identify the end products of protein digestion that made up the contents of test tube B after the two hours.

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Fill the blank with the option below The substrate concentration at which an enzyme-catalyzed reaction proceeds at on-half its maximum velocity The rate enhancement of the enzyme catalyzed reaction over uncatalyzed reaction The rate of the reaction when the concentration of the products is zero and the reverse rate is negligible The rate at which the enzyme-substrate complex is formed The number of time an enzyme molecule transforms a substrate molecule per unit of time The proportionality constant that relates the velocity of a chemical reaction to the concentrations of the reactants The maximum velocity of an enzymatic reaction when the binding site is saturate with substrate A measure of the catalytic activity of an enzyme at low concentrations of substrate The rate constant for the equilibrium between the reactants and the enzyme-substrate complex 1. Vo 2. 4. 3. V₁ Acronym Parameter 6. 7. I 5. Km 8. 1 I 9. AAG 10. AG rate constant rate of disappearance I specificity constant…