CAIE IGCSE Biology 10.1.8 How Antibodies Defend the Body
Practise describing antibodies as proteins that bind pathogen antigens and cause or assist pathogen destruction.
- Syllabus
- 2026–2028
- Course
- Biology 0610
Exam points
- state that antibodies are proteins produced by lymphocytes and bind to specific antigens
- explain that binding can neutralise, immobilise, clump or directly damage pathogens or toxins
- explain that antibody-coated pathogens are marked for recognition and destruction by phagocytes
10.1.8—Antibodies as proteins that bind question 1
Fig. 6.1 is a diagram of the virus that causes measles.
Fig. 6.1
Some white blood cells produce antibodies as part of the body's defence against pathogens.
Describe the role of antibodies in defence of the body.
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