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2 marksCell Structure and Functions

CAPE Biology Unit 1 · May/June 2022 · Paper 2 · Question 1(b)(i)

Aspects of the endosymbiont theory and comparison of eukaryotic and prokaryotic cell features.

Outline the basis of the endosymbiont theory.

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  1. 1(a)(i)In the space provided, construct a plan diagram to show at least the FOUR major tissues labelled W, X, Y and Z in the light micrograph in Figure 1.[5 marks]
  2. 1(a)(ii)State the function of the structures labelled W, X, Y and Z in Figure 1 on page 4.[4 marks]
  3. 1(a)(iii)Explain why the dicotyledonous root of a plant is considered an organ.[3 marks]
  4. 1(b)(ii)Complete the table by indicating whether the following features are present, absent or sometimes present in a eukaryotic cell and a prokaryotic cell: Plasmid,…[4 marks]
  5. 1(c)Explain the impact of the following factors on enzyme action using the information provided in Figure 2: pH, Temperature, Enzyme concentration, Substrate…[12 marks]

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