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AS OCR Biology practical help needed.

2 replies
Found 16th Oct 2010
Hi , looking for some help in my OCR biology practical.

Its to do with osmosis and the practical is to cut chips and wiegh them before they are added to a sucrose conc. and after .

What would i need to know for the practical exam.

Thanks for any help .

2 Comments

Add more info and describe in more detail what it is that you want to know. If you haven't got it sorted by tomorrow; I will help you then, as long as I don't forget. I have no time now.

A long time since I did Biology but surely the only thing you need to walk into the exam knowing is the osmosis process, what happens, and why it happens. You obviously cannot know anything to do with the weights, and how much solution they will take up, as that is what the practical exam is all about!

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