IB Questionbank

Date	November 2009	Marks available	1	Reference code	09N.1.HL.TZ0.37
Level	Higher level	Paper	Paper 1	Time zone	TZ0
Command term		Question number	37	Adapted from	N/A

Question

Which cells activate helper T-cells by antigen presentation?
A. B-cells
B. Bacteria
C. Macrophages
D. Plasma cells

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Examiners report

Syllabus sections

Additional higher level » Topic 11: Animal physiology » 11.1 Antibody production and vaccination

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16M.1.HL.TZ0.39: Which sequence of events leads to the production of antibodies?
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15N.1.HL.TZ0.36: In the production of monoclonal antibodies, B-cells are fused to tumour cells to make...
13M.2.HL.TZ2.5c: Some prokaryotes cause infectious disease in humans. Explain the principles of vaccination.
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13N.1.HL.TZ0.36: How are B-cells activated?A. An antibody binds to a B-cell which is activated by a helper...
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