4 marksTransport Across Membranes
CSEC Biology · January 2021 · Paper 2 · Question 3(d)
Discuss FOUR ways in which diffusion is important to mammals.
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Practise this questionOther parts of this question
- 3(a)List FOUR structures that are common to both plant and animal cells.[4 marks]
- 3(b)(i)Define the term 'diffusion'.[1 mark]
- 3(b)(ii)Define the term 'osmosis'.[1 mark]
- 3(b)(iii)Define the term 'active transport'.[1 mark]
- 3(c)(i)State the expected result of the experiment investigating the effect of concentration on diffusion shown in Figure 4.[1 mark]
- 3(c)(ii)Explain the expected results stated in your answer in (c)(i).[3 marks]
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