AQA GCSE Biology Required Practical 4: Food tests

A revision video mainly aimed at students studying for AQA GCSE Combined Science (8464) or AQA GCSE Biology (8461) describing how to carry out Required Practical 4: use qualitative reagents to test for a range of carbohydrates, lipids and proteins.

We look at how to test for starch, reducing sugars, protein and lipids.
(See specification part 2.2.1 The human digestive system)