Biology › Pathogens, disease and immunity

Pathogens, disease and immunity

Unit B11 · 3 lessons published so far.

• Pathogens and non-specific defences
  Bacteria, viruses, fungi and protoctista with named diseases; how pathogens damage tissue through toxins and cell lysis; physical and chemical…
• The specific response: selected, cloned, remembered
  Antigens and the distinction between self and non-self; the cellular response with T-helper and T-killer cells, clonal selection and clonal…
• Antibodies, vaccination and the four kinds of immunity
  Antibody structure and how it fits function; agglutination, neutralisation and marking for phagocytosis; active and passive, natural and artificial…

Practical work that lands here

• Aseptic technique and the effect of antimicrobials