BioKnowledgy 2.3 Carbohydrates and lipids from Chris Paine (at Dulwich College Shangai) – taken from his fabulous blog BioKnowledgy.
Find a video lesson on this sub-topic at Dan Rott videos, or many assessment statements are covered by Stephanie Castle (with more being added all the time).
A lovely site about polymers that includes starch and cellulose (with a nice animation), and hers’s a short, simple animation to show glucose in water. Finally, here is an excellent lesson from TED-Ed on on what is fat? – in a bit more detail than we need.