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4 marksCells and Cell Specialisation

CSEC Biology · January 2021 · Paper 2 · Question 3(a)

Cell structures and transport mechanisms across membranes.

List FOUR structures that are common to both plant and animal cells.

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Other parts of this question

  1. 3(b)(i)Define the term 'diffusion'.[1 mark]
  2. 3(b)(ii)Define the term 'osmosis'.[1 mark]
  3. 3(b)(iii)Define the term 'active transport'.[1 mark]
  4. 3(c)(i)State the expected result of the experiment investigating the effect of concentration on diffusion shown in Figure 4.[1 mark]
  5. 3(c)(ii)Explain the expected results stated in your answer in (c)(i).[3 marks]
  6. 3(d)Discuss FOUR ways in which diffusion is important to mammals.[4 marks]

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