You take one compulsory option, at least two recommended options (see below) and one other suitable option.
List of Recommended options:
Option B DNA, Molecular Approaches To Bacterial Pathogenicity, Molecular Biology Of Membrane Function, Molecular Immunology, Plant Molecular Biology, Tissue and Cell Engineering, Viruses And Disease
Option C Biotechnology, Cancer - Molecular And Cellular Biology, Cellular Microbiology, Molecular Basis Of Disease Processes, Molecular Virology
Option D Cell Signalling And Disease, Human Molecular Genetics, Molecular Biology Of The Neurone, Plant Biotechnology, Transcription in Developing Systems