4.1.1 Atomic structure (might need to know) PAPER 1, 4.1.2 Atomic structure and the Periodic Table (must know) PAPER 1, 4.2.1/2/3 Bonding, structure properties of matter (must know) PAPER 1 part 1...
Basic components of living systems (microscopy, cell structure), Biological Molecules (biological molecules, protein structure/types, nucleic acids, DNA replication, protein synthesis, ATP), Biological Molecules...