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2.2 Animal tissues, organs and organ systems

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Question 52

During an infection, cell R releases antitoxins that neutralise toxins made by a pathogen. Cell S engulfs the pathogen. The possible cell types are phagocytes and lymphocytes.

Which identification of cells R and S is correct?

[1]
A

R is a lymphocyte and S is a phagocyte

B

R and S are both phagocytes

C

R is a phagocyte and S is a lymphocyte

D

R and S are both lymphocytes

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2.2 Animal tissues, organs and organ systems Questions

  1. GCSE
  2. /Biology
  3. /2.2 Animal tissues, organs and organ systems

304 exam-style questions on AQA GCSE Biology 2.2 Animal tissues, organs and organ systems, covering 2.2.1 The human digestive system, 2.2.2 The heart and blood vessels, 2.2.3 Blood, 2.2.4 Coronary heart disease: a non-communicable disease, 2.2.5 Health issues, 2.2.6 The effect of lifestyle on some non-communicable diseases, and 2.2.7 Cancer. Each one has a worked solution and a mark scheme showing where the marks go.

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