Edexcel A Level Biology A - Topic 6 - Infection (2/3)

A* level notes on topic 6 (immunity and infection) covering infection, including:

• the structure and function of bacteria and virus
• similarities and differences between bacteria and virus
• how viruses reproduce, how bacteria reproduce,
• how bacteria share genetic material
• the definition of infection, and physical barriers from infection
• the non specific immune response - inflammation, production of interferons, phagocytosis, lysozymes, fever, histamines,
• the specific immune response - lymphocytes, t-killer cells, b lymphpcytes, t cell activation, b cell activation, antibodies (role and structure)
• immunity (including the secondary and primary immune response)
• vaccination and its benefits (including natural/artificial, passive/active)
• HIV - structure, function, how it causes AIDS, and evades our immune systems.
• Tuberculosis - structure, function, the primary infection, how it evades immunity systems
• split genes and post transcriptional changes
  • explaining why more than one amino acid sequence, so more than one protein, can be produced from a single gene with reference to antibodies.