The following contain videos, worksheets and apps that you are expected to be familiar with.
Unit 1 - Biochemistry
Unit 2 - Metabolic Processes
Unit 3 - Molecular Genetics
Unit 4 - Homeostasis
Unit 5 - Population Dynamics
ALSO!
Please use the links below that lead to full YouTube playlists that correspond extremely well to your course:
Bozeman Science
Khan Academy
Amoeba Sisters
Crash Course
Professor Dave Explains
Biology Trailers
A good 12U playlist
Oxford Academic - for molecular genetics