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2 marksAspects of Biochemistry

CAPE Biology Unit 1 · 2012 · Paper 2 · Question 1(c)

Figure 1 shows the structure of a generalized triglyceride.

Identify the structures labelled A and B in Figure 1.

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Other parts of this question

  1. 1(a)Complete Table 1 by writing the missing information in the spaces provided.[3 marks]
  2. 1(b)On the grid provided on page 3, plot the data in Table 2 as a line graph.[5 marks]
  3. 1(b)(ii)Account for the shape of the graph. Include in your account a brief description of the shape of the graph.[3 marks]
  4. 1(c)(ii)Label an ester linkage in the triglyceride shown in Figure 1.[1 mark]
  5. 1(c)(iii)State ONE feature of the triglyceride molecule that enables it to function as a better energy store than carbohydrates.[1 mark]

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