A culture contains 160 stem cells. Each cell divides three times. Then 25% of the resulting cells differentiate. No cells die.
How many cells remain undifferentiated?
[1]
A
320 cells
B
960 cells
C
360 cells
D
1280 cells
Markscheme
2.2 Stem cells Questions
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.