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1 markThe Uptake and Transport of Water and Minerals

CAPE Biology Unit 2 · 2005 · Paper 2 · Question 2(b)

Account for the difference in shape of the accessory cell adjacent to the left guard cell in Figure 3 A as compared with B.

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  1. 2(a)Draw the stoma in Figure 3 (A) and the cells immediately surrounding it, as well as any other significant features, at twice the size of the specimen in the…[4 marks]
  2. 2(c)(i)Collect data from the diagram in Figure 4 and use it to construct a histogram showing the relationship between the time and the width of the stomatal pore over…[4 marks]
  3. 2(c)(ii)Account for the shape of the histogram between 11.00 a.m. and 3.00 p.m.[1 mark]

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