A transplant requires 900 functioning specialised cells. In a culture, 60% of the cells differentiate into the required type. Only 75% of these differentiated cells survive transplantation.
What is the minimum number of cells needed in the culture?
2000 cells
2700 cells
1200 cells
1500 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.