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2 marksCell Structure and Functions

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

Figure 1 is an electron micrograph of an animal cell.

On the figure, identify the structures labelled A, B, C and D.

This question uses a figure or table from the paper — you'll see it when you practise.

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Other parts of this question

  1. 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]
  2. 1(a)(iii)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…[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]

More practice: the rest of this paper · more Cell Structure and Functions questions · all CAPE Biology Unit 1 past papers