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

Practice - Molecules

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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.

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Reference links

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