A human begins life as a single fertilised egg cell. This cell divides many times to form an embryo, and later the same type of cell division replaces cells that are damaged or worn out.
Describe the stages of the cell cycle, and explain why cell division by mitosis is important in the growth and development of a multicellular organism.
63 exam-style questions on AQA GCSE Biology 1.2 Cell division, covering 1.2.1 Chromosomes, 1.2.2 Mitosis and the cell cycle, and 1.2.3 Stem cells. Each one has a worked solution and a mark scheme showing where the marks go.