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4 marksCell Structure and Functions

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

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

Complete the table by indicating whether the following features are present, absent or sometimes present in a eukaryotic cell and a prokaryotic cell: Plasmid, Mitochondria, Nuclear envelope, Ribosome.

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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)(i)Outline the basis of the endosymbiont theory.[2 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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