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1 markMembrane Structure and Function

CAPE Biology Unit 1 · 2011 · Paper 2 · Question 1(c)(ii)

You are provided with a large uncooked potato and six solutions of different concentrations. One of the solutions has the same water potential as the potato.

Describe the expected observation in the solution with the same water potential as the potato.

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Other parts of this question

  1. 1(a)(i)Identify the structures labelled A, B and C in Figure 1.[3 marks]
  2. 1(a)(ii)The structure labelled A in Figure 1 is also present in some eukaryotic cells. State how the structure of A in prokaryotic cells differs when present in…[1 mark]
  3. 1(a)(iii)There are two types of eukaryotic cells, plant and animal. In which of these is the structure labelled A in Figure 1, NOT found?[1 mark]
  4. 1(a)(iv)Name the structure in a eukaryotic cell that serves the same function as the mesosomes of a prokaryotic cell.[1 mark]
  5. 1(a)(v)Both eukaryotic cells and prokaryotic cells contain DNA. State ONE way in which the DNA in eukaryotic cells differs from the DNA in prokaryotic cells.[1 mark]
  6. 1(b)Complete the table by writing the correct answers in the spaces provided.[3 marks]
  7. 1(c)(i)Outline a simple investigation to determine which solution has the same water potential as the potato.[4 marks]

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