Student resource · A-Levels · PDF
The Biology of Tuberculosis
Students investigate how TB bacteria enter the lungs, are engulfed by alveolar macrophages and become enclosed within tubercles. They examine why primary infection is often asymptomatic, how latent TB can reactivate, and how M. tuberculosis prevents phagosome–lysosome fusion to evade destruction. Th
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What this is
The Biology of Tuberculosis
Description
An advanced Year 13 biology lesson exploring the infection cycle of Mycobacterium tuberculosis, the host immune response, latent and active TB, and the pathogen’s strategies for surviving inside macrophages.
Summary
Students investigate how TB bacteria enter the lungs, are engulfed by alveolar macrophages and become enclosed within tubercles. They examine why primary infection is often asymptomatic, how latent TB can reactivate, and how M. tuberculosis prevents phagosome–lysosome fusion to evade destruction. The lesson concludes with clinical application, visual analysis and knowledge checks.
What you get
An engaging introduction to TB as a global health challenge
Clear learning objectives and essential vocabulary
Visual explanations of infection, phagocytosis and tubercle formation
Comparison of latent and active TB
An overview video on TB progression
A clinical case study with listening questions
Detailed coverage of intracellular survival and immune evasion
Multiple-choice, true-or-false, image-matching and fill-in-the-blank activities
Advanced exam-style questions on TB pathogenesis and host–pathogen interactions
What you get
An engaging introduction to TB as a global health challenge
Clear learning objectives and essential vocabulary
Visual explanations of infection, phagocytosis and tubercle formation
Comparison of latent and active TB
An overview video on TB progression
A clinical case study with listening questions
Detailed coverage of intracellular survival and immune evasion
Multiple-choice, true-or-false, image-matching and fill-in-the-blank activities
Advanced exam-style questions on TB pathogenesis and host–pathogen interactions
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