Biology (MindTap Course List)
Biology (MindTap Course List)
11th Edition
ISBN: 9781337392938
Author: Eldra Solomon, Charles Martin, Diana W. Martin, Linda R. Berg
Publisher: Cengage Learning
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Chapter 7, Problem 16TYU
Summary Introduction

To design: An experiment that will help to decide whether malonate is acting as a competitive inhibitor or a noncompetitive inhibitor.

Introduction: Enzymes are biological protein catalysts that alter the speed of the reaction in the biological system. The chemical reactions that are catalyzed by these enzymes are studied under enzyme kinetics. The reaction rate is measured based on the rate at which the substrate of the enzymes combines with the enzyme and forms the products.

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DESIGN YOUR ENZYME AND SHOW THE REACTION! To trap glucose in a cell, the following reaction is catalyzed by the HEXOKINASE enzyme: GLUCOSE (G) + ATP -> GLUCOSE-6-Phosphate (G6P) + ADP Diagram and label the steps in the catalytic cycle of this reaction in the presence of the hexokinase enzyme. Show the steps of how the REACTANTS are converted to PRODUCTS (you can use shapes to represent the different molecules) From what you know about the structure and polarity of the reactants, predict the amino acid R groups that might be in the ACTIVE SITE
1a-Enzymes serve as catalysts for chemical reactions. What does this mean? Select all that apply. Select one or more: a. Enzymes make reactions more likely to occur. b. Enzymes increase the activation energy. c. Enzymes decrease the free energy (?G) of a reactio d. Enzymes increase the free energy (?G) of a reaction. 1b-When ATP is hydrolysed: Select one: a. The energy will be released as heat if the reaction is not coupled to a substrate, b. The potential energy associated with the resulting ADP molecule increases. c. The terminal phosphate is transferred to a substrate, lowering the potential energy of the substrate d. Water is formed and released as a reaction product.
. MAKE CONNECTIONS Considering how enzymes function (see Concept 8.4), explain why vitamins are requiredin very small amounts.
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    Enzyme Kinetics; Author: MIT OpenCourseWare;https://www.youtube.com/watch?v=FXWZr3mscUo;License: Standard Youtube License