Year 13 biology
Every topic for the year is below, arranged by the term it is taught. Choose a term to show only that term: each topic has a lesson video, worked questions and practice at three levels.
Autumn term
- BiologyPhotosynthesisThe light-dependent and light-independent reactions, the role of chloroplasts, photophosphorylation and the Calvin cycle, limiting factors, and investigating photosynthesis in the laboratory.100 questionsLesson video
- BiologyRespirationAerobic and anaerobic respiration, glycolysis, the link reaction, the Krebs cycle and oxidative phosphorylation, the roles of coenzymes, and the respiration of other respiratory substrates.100 questionsLesson video
- BiologyEnergy transfer in ecosystems and nutrient cyclesBiomass and energy transfer between trophic levels, productivity and efficiency, the effects of farming practices, and the nitrogen and phosphorus cycles with the role of microorganisms and fertilisers.100 questionsLesson video