Year 12 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.
Spring term
- BiologyCell structureEukaryotic and prokaryotic cells and their organelles, the differences between cells, the principles of optical and electron microscopy, magnification calculations, cell fractionation and ultracentrifugation, and viruses as acellular particles.100 questionsLesson video
- BiologyThe cell cycle and cell divisionThe cell cycle, mitosis and the stages of cell division, binary fission in prokaryotes, how viruses replicate, and how uncontrolled cell division leads to cancer and how treatments target it.100 questionsLesson video
- BiologyTransport across cell membranesThe fluid mosaic structure of cell membranes, diffusion and facilitated diffusion, osmosis and water potential, active transport and co-transport, and the factors that affect the rate of movement across membranes.100 questionsLesson video
- BiologyDNA, genes and protein synthesisDNA in prokaryotes and eukaryotes, genes and the genetic code, chromosomes, the structure of mRNA and tRNA, transcription and translation, and how the base sequence determines the order of amino acids.100 questionsLesson video