Table of contents

1. Matter and Measurements4h 31m
2. Atoms and the Periodic Table5h 23m
3. Ionic Compounds2h 18m
4. Molecular Compounds2h 18m
5. Classification & Balancing of Chemical Reactions3h 17m
6. Chemical Reactions & Quantities2h 27m
7. Energy, Rate and Equilibrium3h 46m
8. Gases, Liquids and Solids3h 25m
9. Solutions4h 10m
10. Acids and Bases3h 29m
11. Nuclear Chemistry56m
BONUS: Lab Techniques and Procedures1h 38m
BONUS: Mathematical Operations and Functions47m
12. Introduction to Organic Chemistry1h 34m
13. Alkenes, Alkynes, and Aromatic Compounds2h 12m
14. Compounds with Oxygen or Sulfur1h 6m
15. Aldehydes and Ketones1h 1m
16. Carboxylic Acids and Their Derivatives1h 11m
17. Amines39m
18. Amino Acids and Proteins1h 51m
19. Enzymes1h 37m
20. Carbohydrates1h 41m
21. The Generation of Biochemical Energy2h 8m
22. Carbohydrate Metabolism2h 22m
23. Lipids2h 26m
24. Lipid Metabolism1h 45m
25. Protein and Amino Acid Metabolism1h 37m
26. Nucleic Acids and Protein Synthesis2h 54m

19. Enzymes

Enzyme Classification

GOB Chemistry

19. Enzymes

Enzyme Classification

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1:52 minutes

Problem 25b

Textbook Question

Answer questions (a)–(e) concerning the following reaction:

b. Since hydrogens are removed, the enzyme belongs to what subclass of the enzyme class from part (a)?

Verified step by step guidance

Step 1: Recall that enzymes are classified into six major classes based on the type of reaction they catalyze. These classes are oxidoreductases, transferases, hydrolases, lyases, isomerases, and ligases.

Step 2: Understand that the removal of hydrogens from a molecule is typically associated with oxidation reactions. Enzymes that catalyze oxidation-reduction reactions belong to the oxidoreductase class.

Step 3: Within the oxidoreductase class, there are subclasses based on the specific type of reaction. For example, dehydrogenases are a subclass of oxidoreductases that specifically remove hydrogen atoms from a substrate.

Step 4: Based on the information provided in the problem, identify that the enzyme in question belongs to the dehydrogenase subclass of oxidoreductases, as it is responsible for removing hydrogens.

Step 5: Conclude that the enzyme belongs to the dehydrogenase subclass of the oxidoreductase class, as this aligns with the reaction described in the problem.

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Key Concepts

Here are the essential concepts you must grasp in order to answer the question correctly.

Enzyme Classification

Enzymes are classified into six main classes based on the type of reaction they catalyze. These classes include oxidoreductases, transferases, hydrolases, lyases, isomerases, and ligases. Understanding this classification is essential for identifying the specific subclass of an enzyme based on its function in biochemical reactions.

Oxidoreductases

Oxidoreductases are a subclass of enzymes that catalyze oxidation-reduction reactions, where electrons are transferred between molecules. In the context of the question, the removal of hydrogens typically indicates an oxidation process, suggesting that the enzyme in question is likely an oxidoreductase, which plays a crucial role in metabolic pathways.

Reaction Mechanism

The reaction mechanism refers to the step-by-step sequence of events that occur during a chemical reaction, including the formation and breaking of bonds. Understanding the mechanism helps in identifying the role of specific enzymes and the nature of the substrates involved, which is vital for answering questions about enzyme subclasses and their functions.