Practice Laboratory Protocol—quantitative Diffusion Assay (3.4) - Exchange and Balance – Membranes & Transport
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Laboratory Protocol—Quantitative Diffusion Assay

Practice - Laboratory Protocol—Quantitative Diffusion Assay

Learning

Practice Questions

Test your understanding with targeted questions

Question 1 Easy

What does the diffusion coefficient (D) represent?

💡 Hint: Think about how quickly a dye spreads in water.

Question 2 Easy

What material is used to create the gel in this assay?

💡 Hint: What do we use to make puddings or jellies?

4 more questions available

Interactive Quizzes

Quick quizzes to reinforce your learning

Question 1

What is the primary objective of the quantitative diffusion assay?

To study osmosis
To measure diffusion coefficient (D)
To assess membrane permeability

💡 Hint: Remember, we're aiming to understand the speed of diffusion.

Question 2

True or False: The thickness of the agarose gel can affect the diffusion rate.

True
False

💡 Hint: Consider how distance might influence movement.

1 more question available

Challenge Problems

Push your limits with advanced challenges

Challenge 1 Hard

Design an experiment to test the effect of temperature on the diffusion rate of phenolphthalein in agarose.

💡 Hint: Consider how heat affects molecular movement.

Challenge 2 Hard

Explain how you would calculate the error margin in your calculated diffusion coefficient from repeated trials.

💡 Hint: How do we quantify uncertainty in our measurements?

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Reference links

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