Biology · Oct / Nov 2017 · Paper 21 · Question 7
5090
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Fig. 7.1 shows a fermenter used for the production of an antibiotic. Y Z X motor W stirring paddles water out water in pH and temperature sensors Fig. 7.1
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7(a)(i)[4]
7(a)(ii)[2]
7(b)[3]
7(c)[1]
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