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Q1. give humans protection against disease. Method A shows active immun. ty and Method B shows passive immun. ty. Method A can be used against polio. (a) What is the name of the substances produced by the body which destroy harmful viruses and bacteria? ___________________________________________________________________ (1)
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Apr 11, 2023 · Revision notes on 2.6.2 Active & Passive Immunity for the AQA A Level Biology syllabus, written by the Biology experts at Save My Exams.
Jul 6, 2023 · Types of Pathogen. Communicable diseases are spread by pathogens. A pathogen is any microorganism that causes disease in another organism (e.g. in plants or animals) Many microorganisms are pathogens including: Bacteria. Fungi.
The fovea of the eye of an eagle has a high density of cones. An eagle focuses the image of its prey onto the fovea. . Explain how the fovea enables an eagle to see its prey in detail. Do not refer to colour vision in your answer.
Find the selection of GCSE Biology exam questions by topic to help you revise and get comfortable with exam style questions.
Revision notes on 4.1.4 Non-specific Immune Responses for the OCR A Level Biology syllabus, written by the Biology experts at Save My Exams.
