Biology
Vaccination and drugs practice
Infection and Response training and original diagnostic questions for Paper 1.
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Vaccination and drugs practice
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Make it concrete
Analogy
Vaccination and drugs is like a living system solving a small survival problem: each part has a job, and the answer depends on how those jobs connect.
Why now: An analogy helps when the definition feels abstract.
Do this: Match each part of the analogy to the science idea.
Why it matters
Real-world use
Vaccination and drugs helps explain health, ecosystems, medicine and how organisms stay alive. Example: A booster vaccine increases the number of memory cells against a disease.
Why now: Real examples make the mark-scheme words easier to remember.
Do this: Connect one key word to the example.
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