Quelpr
2 marksCellular Respiration and ATP Synthesis

CAPE Biology Unit 2 · 2005 · Paper 2 · Question 1(e)

An artificial lipid vesicle with a proton pump and ATP synthase is used to pump hydrogen ions into the vesicle to create a gradient, which diffuse out through ATP synthase to produce ATP. What conclusion can be drawn about the conditions necessary for ATP synthase to form ATP?

The mark scheme is shown once you've answered.

Practise this question

Other parts of this question

  1. 1(a)Outline an experiment, based on the apparatus in Figures 1 A and B, to measure oxygen uptake in germinating beans.[4 marks]
  2. 1(b)State the purpose of the thermometers used in the experimental apparatus in Figures 1 A and B.[1 mark]
  3. 1(c)Suggest whether the beans soaked in potassium cyanide will take up oxygen and provide ONE reason for your answer.[2 marks]
  4. 1(d)State what conclusion can be drawn from the results of Experiment 1 shown in Figure 2.[1 mark]

More practice: the rest of this paper · more Cellular Respiration and ATP Synthesis questions · all CAPE Biology Unit 2 past papers