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2 marksAspects of Biochemistry

CAPE Biology Unit 1 · 2018 · Paper 2 · Question 1(e)(ii)

Figure 1 shows the molecular structure of a cellular lipid.

Explain how TWO features of the biomolecule in Figure 1 are related to its function in animal tissues.

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Other parts of this question

  1. 1(a)In the space below, draw AND label the chemical structure of a typical phospholipid molecule, clearly indicating its THREE major components. Label the…[4 marks]
  2. 1(b)Describe how phospholipids are oriented to form the lipid bilayer of cellular membranes.[3 marks]
  3. 1(c)State the name of the lipid responsible for maintaining the fluidity of cellular membranes.[1 mark]
  4. 1(d)Describe how intrinsic proteins allow the movement of substances across cellular membranes.[4 marks]
  5. 1(e)(i)Identify the class of lipids to which the biomolecule in Figure 1 belongs.[1 mark]

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