CAPE Biology Unit 2 · 2011 · Paper 2 · Question 4(a)
Define the term 'phosphorylation' and distinguish between photophosphorylation and oxidative phosphorylation.
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- 4(b)Discuss TWO similarities and TWO differences between the chemical reactions which occur during photophosphorylation and oxidative phosphorylation.[4 marks]
- 4(c)(i)Distinguish among the following terms as they relate to the nitrogen cycle: nitrification, denitrification, and nitrogen fixation.[5 marks]
- 4(c)(ii)A farmer experiencing difficulty growing grass is advised to plant alfalfa along with the grass and plough the legume into the soil after reaping. Suggest…[3 marks]
More practice: the rest of this paper · more Photosynthesis and ATP Synthesis questions · all CAPE Biology Unit 2 past papers