Practice Molecular Constituents - 2.2 | Exchange and Balance – Membranes & Transport | IB MYP Grade 8 Biology
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Molecular Constituents

2.2 - Molecular Constituents

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Practice Questions

Test your understanding with targeted questions

Question 1 Easy

What are phospholipids composed of?

💡 Hint: Think about how they would align in water.

Question 2 Easy

What type of protein spans the entire membrane?

💡 Hint: These proteins often form channels.

4 more questions available

Interactive Quizzes

Quick quizzes to reinforce your learning

Question 1

What is the primary function of phospholipids in membranes?

To store energy
To form the bilayer
To act as receptors

💡 Hint: Think about what makes up the membrane structure.

Question 2

True or False: Cholesterol increases membrane permeability.

True
False

💡 Hint: Consider its role in maintaining membrane integrity.

1 more question available

Challenge Problems

Push your limits with advanced challenges

Challenge 1 Hard

Devise an experiment to test the effectiveness of different sterols in maintaining membrane fluidity.

💡 Hint: Think about how temperature changes might influence fluidity.

Challenge 2 Hard

Discuss the significance of lipid raft formation in cellular signaling.

💡 Hint: Consider how the composition of rafts influences cellular communication.

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