Practice Molecules - 1 | Theme C: Interaction and Interdependence | IB Grade-12 Biology
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Practice Questions

Test your understanding with targeted questions related to the topic.

Question 1

Easy

What are enzymes?

πŸ’‘ Hint: Think about what they do in a reaction.

Question 2

Easy

Name one factor affecting enzyme activity.

πŸ’‘ Hint: Consider what can change how enzymes work.

Practice 4 more questions and get performance evaluation

Interactive Quizzes

Engage in quick quizzes to reinforce what you've learned and check your comprehension.

Question 1

What do enzymes do?

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

πŸ’‘ Hint: Think about their role in metabolism.

Question 2

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

  • True
  • False

πŸ’‘ Hint: Consider different respiration methods.

Solve 1 more question and get performance evaluation

Challenge Problems

Push your limits with challenges.

Question 1

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.

πŸ’‘ Hint: Think about the term 'denaturation' and how it affects enzyme shape.

Question 2

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

πŸ’‘ Hint: Remember, both factors influence the Calvin cycle efficiency.

Challenge and get performance evaluation