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Edexcel A-Level Biology
Immunity, infection and forensics

Edexcel · A-Level Biology

Immunity, infection and forensics

5Topics

2.8hStudy time

In this section

5 topics

Bacteria, Prokaryotic Cells and Viruses

Compare bacterial and eukaryotic cell organisation

Forensics: DNA, Decomposition and Time Since Death

Explain DNA-profile comparisons

Genetic Fingerprinting and Electrophoresis

Explain tandem-repeat variation and DNA profiles

Antigens, Phagocytes and Cellular Immunity

Define an antigen and distinguish it from an antibody

Antibodies, Vaccination, HIV and ELISA

Explain clonal selection, plasma cells and memory

Work through each topic to complete the section.