Biology · May / June 2019 · Paper 22 · Question 2
5090
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The question as text
The diagram shows the structure of a type of bacterium and details of the response of the bacterium to light. A B direction of light direction of light receptors fibres that attach to a surface and then contract to enable the bacterium to move structures containing a chemical similar to chlorophyll movement
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2(a)(i)[3]
2(a)(ii)[2]
2(b)[2]
2(c)[2]
2(d)(i)[2]
2(d)(ii)[1]
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