CAPE Biology Unit 2 · 2011 · Paper 2 · Question 5(a)(ii)
Using haemoglobin as an example, and with the aid of a diagram, describe an oxygen dissociation curve.
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Practise this questionOther parts of this question
- 5(a)(i)Explain why haemoglobin functions as an efficient carrier of oxygen in blood.[4 marks]
- 5(b)(i)Briefly explain the term 'translocation' as applied to plants.[2 marks]
- 5(b)(ii)Outline the principle of mass flow and discuss, using TWO examples, experimental evidence in support of mass flow as a possible mechanism of translocation.[5 marks]
More practice: the rest of this paper · more The Circulatory System of Mammals questions · all CAPE Biology Unit 2 past papers