CAPE Biology Unit 1 · 2016 · Paper 2 · Question 1(b)(i)
Draw a simple labelled diagram to illustrate the fluid mosaic model of plasma membrane structure.
The mark scheme is shown once you've answered.
Practise this questionOther parts of this question
- 1(a)(i)Name the reaction labelled R and the reaction product labelled X in Figure 1.[2 marks]
- 1(a)(ii)In the box below, illustrate the full molecular ring structure of the glucose molecule involved in the reaction in Figure 1.[2 marks]
- 1(a)(iii)With reference to the molecular structure of sucrose, explain why sucrose has an advantage over glucose as a transport sugar in plants.[3 marks]
- 1(b)(ii)With reference to the fluid mosaic model, explain how large polar molecules can pass through the membrane.[3 marks]
More practice: the rest of this paper · more Membrane Structure and Function questions · all CAPE Biology Unit 1 past papers