Quelpr
4 marksAspects of Biochemistry

CAPE Biology Unit 1 · 2018 · Paper 2 · Question 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 hydrophilic and hydrophobic parts of the molecule.

The mark scheme is shown once you've answered.

Practise this question

Other parts of this question

  1. 1(b)Describe how phospholipids are oriented to form the lipid bilayer of cellular membranes.[3 marks]
  2. 1(c)State the name of the lipid responsible for maintaining the fluidity of cellular membranes.[1 mark]
  3. 1(d)Describe how intrinsic proteins allow the movement of substances across cellular membranes.[4 marks]
  4. 1(e)(i)Identify the class of lipids to which the biomolecule in Figure 1 belongs.[1 mark]
  5. 1(e)(ii)Explain how TWO features of the biomolecule in Figure 1 are related to its function in animal tissues.[2 marks]

More practice: the rest of this paper · more Aspects of Biochemistry questions · all CAPE Biology Unit 1 past papers