The enzyme that catalyzes the following reaction belongs to which class?

Biochemistry
9th Edition
ISBN:9781319114671
Author:Lubert Stryer, Jeremy M. Berg, John L. Tymoczko, Gregory J. Gatto Jr.
Publisher:Lubert Stryer, Jeremy M. Berg, John L. Tymoczko, Gregory J. Gatto Jr.
Chapter1: Biochemistry: An Evolving Science
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The enzyme belongs to which class?
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### Enzyme Classification in Biochemical Reactions

**Question:** The enzyme that catalyzes the following reaction belongs to which class?

**Reaction Diagram:**
The diagram is a chemical reaction showing the conversion of a molecule on the left side to another molecule on the right side. 

- **Left Molecule:** The molecule on the left has the following structure:
  - A chain with four carbon atoms.
  - The first and last carbon atoms have double-bonded oxygen (carbonyl group).
  - The second carbon atom has a hydroxyl group (OH).
  - The carboxyl group (COO⁻) attached to the last carbon atom.

- **Right Molecule:** The molecule on the right has the following structure:
  - A chain with four carbon atoms.
  - The first and third carbon atoms have double-bonded oxygen (carbonyl group).
  - The carboxyl group (COO⁻) attached to the last carbon atom.

An arrow points from the left molecule to the right molecule, indicating the conversion process.

**Multiple-choice Answers:**
1. Hydrolase
2. Isomerase
3. Oxidoreductase
4. Ligase

**Explanation:**
Based on the structural changes between the molecules on either side of the equation, identify which class of enzyme mediates this type of reaction.

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This question helps students understand enzyme classification by analyzing specific biochemical reactions. Examining structural changes facilitates the learning of enzyme functions within biological systems.
Transcribed Image Text:--- ### Enzyme Classification in Biochemical Reactions **Question:** The enzyme that catalyzes the following reaction belongs to which class? **Reaction Diagram:** The diagram is a chemical reaction showing the conversion of a molecule on the left side to another molecule on the right side. - **Left Molecule:** The molecule on the left has the following structure: - A chain with four carbon atoms. - The first and last carbon atoms have double-bonded oxygen (carbonyl group). - The second carbon atom has a hydroxyl group (OH). - The carboxyl group (COO⁻) attached to the last carbon atom. - **Right Molecule:** The molecule on the right has the following structure: - A chain with four carbon atoms. - The first and third carbon atoms have double-bonded oxygen (carbonyl group). - The carboxyl group (COO⁻) attached to the last carbon atom. An arrow points from the left molecule to the right molecule, indicating the conversion process. **Multiple-choice Answers:** 1. Hydrolase 2. Isomerase 3. Oxidoreductase 4. Ligase **Explanation:** Based on the structural changes between the molecules on either side of the equation, identify which class of enzyme mediates this type of reaction. --- This question helps students understand enzyme classification by analyzing specific biochemical reactions. Examining structural changes facilitates the learning of enzyme functions within biological systems.
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