Textbook Question
Match each protein in column A with its function in column B:
Ch.10 Proteins Workers of the Cell
Frost4th EditionGeneral, Organic and Biological ChemistryISBN: 9780134988696
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Table of contents
- Ch.4 Introduction to Organic Compounds75
- Ch.5 Chemical Reactions19
- Ch.6 Carbohydrates Life's Sweet Molecules62
- Ch.7 States of Matter and Their Attractive Forces8
- Ch.8 Solution Chemistry Sugar and Water Do Mix4
- Ch.10 Proteins Workers of the Cell89
- Ch.11 Nucleic Acids Big Molecules with a Big Role69
- Ch.12 Food as Fuel An Overview of Metabolism65
Frost4th EditionGeneral, Organic and Biological ChemistryISBN: 9780134988696Not the one you use?Change textbook
Chapter 6, Problem 44
What is the name given to a small, organic nonprotein part of an enzyme that is involved in catalysis?
Verified step by step guidance1
Understand that enzymes are biological catalysts that speed up chemical reactions in living organisms.
Recognize that some enzymes require additional components to function properly. These components can be either inorganic ions or organic molecules.
Learn that the organic nonprotein part of an enzyme that assists in catalysis is called a 'coenzyme.'
Coenzymes often work by transferring chemical groups or electrons during the reaction, enabling the enzyme to perform its catalytic function.
Examples of coenzymes include NAD⁺ (nicotinamide adenine dinucleotide) and FAD (flavin adenine dinucleotide), which are involved in redox reactions in metabolism.
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Key Concepts
Here are the essential concepts you must grasp in order to answer the question correctly.
Cofactor
A cofactor is a non-protein chemical compound that is required for the biological activity of a protein, often an enzyme. Cofactors can be metal ions or organic molecules, and they assist in the enzyme's catalytic activity by stabilizing the enzyme-substrate complex or participating directly in the chemical reaction.
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Coenzyme
Coenzymes are a specific type of organic cofactor that are often derived from vitamins. They bind to enzymes and help facilitate the transfer of specific chemical groups during enzymatic reactions, thus playing a crucial role in metabolism and energy production.
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Enzyme Catalysis
Enzyme catalysis refers to the process by which enzymes accelerate chemical reactions in biological systems. Enzymes lower the activation energy required for reactions, allowing them to occur more rapidly and efficiently, which is essential for maintaining life processes.
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Related Practice
Textbook Question
How would the following changes affect enzyme activity for an enzyme whose optimal conditions are normal body temperature and physiological pH?
a. raising the temperature from 37 °C to 60 °C
Textbook Question
What level of protein structure is involved in the formation of an enzyme’s active site?
Textbook Question
What is the name given to the reactant of an enzyme-catalyzed reaction?
Textbook Question
What kind of interaction attracts the cofactor Mg2+ and ATP to each other? (Hint: Look at the structure of the phosphate group.)
Textbook Question
Identify each of the following statements as characteristic of protein denaturation or protein hydrolysis.
b. A protein breaks up into amino acid fragments.