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1 markCell Structure and Functions

CAPE Biology Unit 1 · 2009 · Paper 2 · Question 1(a)(iii)

Figure 1 is an electron micrograph of an animal cell.

In addition to the structures labelled in Figure 1, there are other structures that work together to make lipids available to the cell. Name TWO of these structures.

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Other parts of this question

  1. 1(a)(i)On the figure, identify the structures labelled A, B, C and D.[2 marks]
  2. 1(a)(ii)With reference to the structures labelled in Figure 1, which structure is present only in animal cells and NOT in plant cells?[1 mark]
  3. 1(a)(iv)Explain how the two structures named in (a)(iii) work together and make lipids available to the cell.[3 marks]
  4. 1(b)(i)Complete the graph below to show the results given in Table 1.[4 marks]
  5. 1(b)(ii)Suggest an explanation for the shape of the curve.[2 marks]
  6. 1(b)(iii)List TWO other variables that should be kept constant during this experiment.[2 marks]

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