A laboratory obtains 500 stem cells from a tissue sample. During culture, 20% die. Each surviving cell then divides twice. Finally, 30% of the resulting cells remain stem cells.
How many specialised cells are produced?
560 cells
1400 cells
1120 cells
480 cells
46 exam-style questions on Edexcel GCSE Biology 2.2 Stem cells, covering 2.2.1 Function of stem cells and meristems and 2.2.2 Benefits and risks of stem cells. Each one has a worked solution and a mark scheme showing where the marks go.