Practice Enzymes and Activation Energy - 8.1.2 | Metabolism, Cell Respiration, and Photosynthesis | IB 12 Biology
Students

Academic Programs

AI-powered learning for grades 8-12, aligned with major curricula

Professional

Professional Courses

Industry-relevant training in Business, Technology, and Design

Games

Interactive Games

Fun games to boost memory, math, typing, and English skills

Enzymes and Activation Energy

8.1.2 - Enzymes and Activation Energy

Enroll to start learning

You’ve not yet enrolled in this course. Please enroll for free to listen to audio lessons, classroom podcasts and take practice test.

Learning

Practice Questions

Test your understanding with targeted questions

Question 1 Easy

What is an enzyme?

💡 Hint: It's often described as a helper in metabolism.

Question 2 Easy

What does activation energy refer to?

💡 Hint: Think of it as the energy needed to jumpstart a process.

4 more questions available

Interactive Quizzes

Quick quizzes to reinforce your learning

Question 1

What is the primary function of enzymes?

To break down ATP
To speed up reactions
To form bonds

💡 Hint: Remember their role in metabolism.

Question 2

True or False: Enzymes can be reused after a reaction.

True
False

💡 Hint: Consider how enzymes are described in metabolic pathways.

1 more question available

Challenge Problems

Push your limits with advanced challenges

Challenge 1 Hard

Discuss how temperature can affect enzyme activity and activation energy.

💡 Hint: Think about how cooking affects enzymes in our food.

Challenge 2 Hard

In an experiment, the concentration of an enzyme is doubled. Predict the outcome on reaction rates and provide a scientific explanation.

💡 Hint: Consider the saturation point of substrates for enzymes.

Get performance evaluation

Reference links

Supplementary resources to enhance your learning experience.