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6.3 Monitoring and maintaining health

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Question 30
H

Which row correctly describes an adaptation of a phagocyte and an adaptation of a platelet?

[1]
A

phagocyte: biconcave shape to engulf pathogens; platelet: makes antibodies at a wound

B

phagocyte: makes antitoxins to stop pathogens dividing; platelet: engulfs bacteria at a wound

C

phagocyte: flexible membrane to engulf pathogens; platelet: releases chemicals that start clotting

D

phagocyte: no nucleus so it fits through capillaries; platelet: carries extra oxygen to a wound

Markscheme

6.3 Monitoring and maintaining health Questions

  1. GCSE
  2. /Biology
  3. /6.3 Monitoring and maintaining health

181 exam-style questions on OCR GCSE Biology 6.3 Monitoring and maintaining health, covering 6.3.1 Health and disease, 6.3.2 Interactions between diseases, 6.3.3 Spread of communicable diseases, 6.3.4 Common infections and diseases, 6.3.5 Physical plant defence responses, 6.3.6 Chemical plant defence responses, 6.3.7 Detecting and identifying plant diseases, 6.3.8 White blood cells and platelets, 6.3.9 Non-specific defence systems, 6.3.10 The immune system, 6.3.11 Monoclonal antibodies, 6.3.12 Vaccines and medicines, 6.3.13 Aseptic techniques, 6.3.14 Discovery and development of new medicines, 6.3.15 Causes of non-communicable diseases, 6.3.16 Treatments for cardiovascular disease, 6.3.17 Lifestyle factors and non-communicable diseases, 6.3.18 Cancer, 6.3.19 Stem cells in medicine, 6.3.20 Gene technology in medicine, and 6.3.21 The human genome and medicine. Each one has a worked solution and a mark scheme showing where the marks go.

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