How to do the Biological Molecules tests in paper 3

EDIT: I omitted a key detail. For the non-reducing sugar test, you must hydrolyse the solution after adding acid and before adding the Benedict solution.

Sometimes in paper 3 you will be given a question on biological molecules tests and will have only one hour to answer it. This video explains the tests you need to do and ends with tips on how to complete the practical without wasting time.
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