What are stem cells?
What are stem cells?
A stem cell is an undifferentiated cell that can keep dividing by mitosis. It can also differentiate into one or more types of specialised cell.
Step-by-step lessons on Edexcel GCSE Biology 2.2.2 Benefits and risks of stem cells. Each one builds up to exam-style questions. Start with the foundational topics and build up to the higher-tier material.