GCE AQA BIOL - Lipids
Unit 3.1 Biology and disease
3.1.3 Substances are exchanged between organisms and their environment by passive or active transport across exchange surfaces. The structure of plasma membranes enables control of the passage of substances across exchange surfaces.Plasma membranes
Lipids are another group of macromolecules - along with carbohydrates and proteins - that form an important part of our diet 🍲 and that you will need to know for GCE AQA Biology.
Test for lipids For GCE AQA Biology, you should know the test for lipids -- the emulsion test.Procedure
Positive (lipids present): Cloudy-white colour - lipids were emulsifiedNegative (no lipids): Solution remains clear
That's all for this one!
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Written by Justine | Biology Specialist @ Tuttee
ReferencesToole, G., & Toole, S. (2015). Aqa biology A level. Oxford: Oxford University Press.Images from
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