A-level Biology
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3.5 Energy transfers
Paper 2 and Paper 3.
9 Lessons
Level 1
Photosynthesis: the light-dependent reaction
Photosynthesis: the light-dependent reaction
Core
Required practical 7: separating leaf pigments by chromatography
Core
Required practical 8: dehydrogenase activity in chloroplasts
Exam-ready
Level 2
The Calvin cycle and limiting factors
The Calvin cycle and limiting factors
Core
Level 3
Glycolysis and anaerobic respiration
Glycolysis and anaerobic respiration
Core
Required practical 9: the rate of respiration in yeast
Core
Level 4
Link reaction, Krebs cycle and oxidative phosphorylation
Link reaction, Krebs cycle and oxidative phosphorylation
Core
Level 5
Energy transfer and productivity
Energy transfer and productivity
Core
Level 6
Nitrogen and phosphorus cycles
Nitrogen and phosphorus cycles
Core