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Enzyme Classes

Chemistry, Biology

12th Grade - University

NGSS covered

Used 1K+ times

Enzyme Classes
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About

This quiz focuses on enzyme classification in biochemistry, specifically the six major classes of enzymes and their functional characteristics. The content is appropriate for grade 12 or introductory university-level chemistry students studying advanced biochemical concepts. Students need a solid understanding of enzyme structure and function, the ability to identify reaction patterns and substrates, and knowledge of how different enzyme classes catalyze specific types of chemical transformations. The questions require students to connect enzyme names with their functions, recognize reaction signatures like the presence of cofactors (NAD+) or specific substrates (ATP), and understand the mechanistic differences between processes like hydrolysis versus lysis. Students must also demonstrate higher-order thinking by comparing enzyme classes and identifying diagnostic features that distinguish one class from another. This quiz was created by a classroom teacher who designed it for students studying advanced chemistry and biochemistry at the grade 12 level. This assessment serves multiple instructional purposes, working effectively as a formative assessment tool to gauge student understanding of enzyme classification before moving to more complex biochemical pathways. Teachers can deploy this quiz as a warm-up activity to activate prior knowledge, assign it as homework to reinforce classroom learning, or use it as a review tool before major assessments on metabolism and biochemical reactions. The systematic approach to enzyme classification aligns with standards that emphasize understanding biological macromolecules and their functions, making it an excellent resource for building the foundational knowledge students need for advanced placement chemistry or college-level biochemistry courses.

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10 questions

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1.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Which class of enzyme would catalyze a reaction where the chemical formula does not change?

Oxidoreductase
Transferase
Isomerase
Ligase

2.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

Which type of enzyme breaks bonds without the use of water?

Hydrolase
Ligase
Transferase
Lyase

3.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

Kinases and aminases are examples of which class of enzyme?

Isomerase
Transferase
Oxidoreductase
Lyase

4.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Which type of enzyme catalyses a reaction with 2 substrates converting to 1 product?

Ligase
Isomerase
Hydrolase
Transferase

5.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Digestive enzymes are all examples of which class of enzyme?

Transferase
Oxidoreductase
Hydrolase
Isomerase

6.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

The function of a hydrolase enzyme is the most similar to which other class of enzyme?

Lyase
Isomerase
Transferase
Oxidoreductase

7.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

The presence of an electron acceptor such as NAD+ indicates which type of enzyme?

Lyase
Oxidoreductase
Hydrolase
Transferase

Tags

NGSS.HS-LS1-7

NGSS.HS-LS2-3

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