Biology · Oct / Nov 2019 · Paper 22 · Question 3
5090
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The question as text
Syphilis is an infectious disease transmitted by sexual contact. It is possible to test the blood of a person for the presence of antibodies produced after infection with the pathogen that causes syphilis.
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3(a)(i)[1]
3(a)(ii)[1]
3(a)(iii)[1]
3(b)(i)[1]
3(b)(ii)[2]
3(b)(iii)[2]
3(c)(i)[2]
3(c)(ii)[1]
3(c)(iii)[2]
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