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4 marksTransport Across Membranes

CSEC Biology · May/June 2018 · Paper 2 · Question 2(b)

Tissues made up of Type B cells are placed in a container of concentrated salt solution and left for one hour. Describe THREE changes in the appearance of the cells after one hour in the concentrated salt solution, and give an explanation to account for these changes.

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  1. 2(a)(i)Name the types of cell labelled A, B and C in Figure 3.[3 marks]
  2. 2(a)(ii)Name TWO structures that are common to the three types of cell.[2 marks]
  3. 2(a)(iii)State TWO differences between the type of cell labelled A and the type of cell labelled C.[2 marks]
  4. 2(c)Tissues made up of Type A cells and Type B cells are placed in a container of distilled water and left for one hour. Describe how the appearance of Type A…[4 marks]

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