Practice Glossary & Key Equations (10) - Exchange and Balance – Membranes & Transport
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Glossary & Key Equations

Practice - Glossary & Key Equations

Learning

Practice Questions

Test your understanding with targeted questions

Question 1 Easy

Define homeostasis.

💡 Hint: Think about how organisms regulate temperature and pH.

Question 2 Easy

What does selective permeability mean?

💡 Hint: Consider how cell membranes control entry and exit of substances.

4 more questions available

Interactive Quizzes

Quick quizzes to reinforce your learning

Question 1

What is homeostasis?

💡 Hint: Think about examples like temperature regulation.

Question 2

Fick's First Law describes the relationship between flux and what?

Pressure
Concentration gradient
Temperature

💡 Hint: Remember that substances diffuse from high to low concentration.

1 more question available

Challenge Problems

Push your limits with advanced challenges

Challenge 1 Hard

A solution has a solute concentration of 0.2 M. If the temperature is 298 K, what is the osmotic potential using Van 't Hoff's equation with an ionization constant (i) of 1?

💡 Hint: Remember to convert each parameter into the right units.

Challenge 2 Hard

Explain a scenario where Fick's laws apply in human physiology, particularly in the lungs.

💡 Hint: Think about how gases move in and out of different pressures.

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Reference links

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