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CAPE Biology Unit 1 · 2010 · Paper 2 · Question 4(a)(ii)

This question is about cell membranes and cell types.

Identify the chemical component of cell membranes that enables facilitated diffusion to occur, and explain how this occurs.

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Other parts of this question

  1. 4(a)(i)Name FIVE chemical components in the structure of cell membranes and state the function of EACH component named.[5 marks]
  2. 4(b)(i)Distinguish between the terms 'prokaryotic' and 'eukaryotic'.[2 marks]
  3. 4(b)(ii)Explain how prokaryotes and eukaryotes differ with respect to genetic material, protein synthesis and photosynthetic structures.[6 marks]

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