Why cells divide
Why cells divide
Multicellular organisms need new cells for growth, repair, and replacement of worn-out cells. Some single-celled eukaryotes also use mitosis for asexual reproduction.
Why cells divide
Why cells divide
Multicellular organisms need new cells for growth, repair, and replacement of worn-out cells. Some single-celled eukaryotes also use mitosis for asexual reproduction.
Step-by-step lessons covering Edexcel A A Level Biology Mitosis, cell cycle and stem cells for A Level Biology. Each lesson works through exam-style questions in Paper 1, Paper 2 and Paper 3 format. Build a strong foundation in cell biology and biochemistry early on, since later topics on genetics, ecology and physiology all draw on these core concepts.