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C3.2 Defence against disease - Student friendly summary sheet

This is a "student friendly" summary list of the IB DP Biology Guide for Topic C3.2 Defence against diseaseInteraction and interdependence — Organisms SL and HL: 5 hoursGuiding questionsPathogens have antigens (glycoproteins or proteins) found on the outer surfaces of pathogens. These are recognised as foreign to the body by parts of the immune system.Factors such as genetic profiles, climate, sanitation, living conditions...

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