Some excellent interactive animations & tutorials on DNA & Protein Synthesis – just click on ‘Tour the Basics’ & ‘DNA to Protein’.
DNA: The book of You, a TEDEd lesson by Joe Hanson.
IB 2.4 – Proteins in 13m from Dan Rott:
Many assessment statements are also covered by Stephanie Castle (with more being added all the time).
Some past paper questions answered by IB Blueprint: Carbohydrates, lipids & proteins – Past Exam Paper 1 Questions; Carbohydrates, lipids & proteins – Paper 2 Questions.