Practice Molecules (1) - Theme C: Interaction and Interdependence - IB 12 Sciences 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

Molecules

Practice - Molecules

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 are enzymes?

💡 Hint: Think about what they do in a reaction.

Question 2 Easy

Name one factor affecting enzyme activity.

💡 Hint: Consider what can change how enzymes work.

4 more questions available

Interactive Quizzes

Quick quizzes to reinforce your learning

Question 1

What do enzymes do?

A) Slow down reactions
B) Speed up reactions
C) Consume substrates

💡 Hint: Think about their role in metabolism.

Question 2

True or False: Cellular respiration only occurs in the presence of oxygen.

True
False

💡 Hint: Consider different respiration methods.

1 more question available

Challenge Problems

Push your limits with advanced challenges

Challenge 1 Hard

Consider a scenario where an enzyme is exposed to extreme heat. Discuss what will happen to the enzyme's activity and the implications for metabolism.

💡 Hint: Think about the term 'denaturation' and how it affects enzyme shape.

Challenge 2 Hard

Explain how factors such as light intensity and carbon dioxide concentration might affect the rate of photosynthesis in a controlled environment.

💡 Hint: Remember, both factors influence the Calvin cycle efficiency.

Get performance evaluation

Reference links

Supplementary resources to enhance your learning experience.