A laboratory produces 800 cells from stem cells. Of these cells, 200 remain unspecialised. All the other cells become the required cell type.
What percentage becomes the required cell type?
80%80\%80%
25%25\%25%
60%60\%60%
75%75\%75%
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.