Stem Cells
Stem cells are unspecialised cells that can divide and become many different types of cell.
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Play with the controls to see the idea in action.
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Stem cells are unspecialised cells that can divide and become many different types of cell.
- Used to repair damaged tissue
- Found in embryos and bone marrow
- Raise ethical questions
🧠 Quick quiz
Three questions. Score 2 or more to complete the topic.
What is Stem Cells?
Within Biology, which covers cells, the human body, genetics, evolution, plants and ecosystems: the science of living things, this topic explains Stem Cells. Biology topics show how living things work, from the cell up to whole ecosystems, with models you can explore step by step.
Check that you can explain Stem Cells in your own words and give one example from everyday life. If you can do that, you have understood the core idea.
Understanding Stem Cells helps you explain how living things stay alive and respond to their surroundings, which is central to biology exams.
Stem Cells in detail
Stem cells are undifferentiated cells that can divide and become different types of specialised cells. Embryonic stem cells can become any cell type, whereas adult stem cells, such as in bone marrow, can produce only a limited range, such as blood cells.
They are used to treat diseases such as leukaemia (bone marrow transplants) and are being researched for repairing damaged tissue in conditions like diabetes and spinal injury. Ethical concerns arise about using embryos, and risks include rejection or the transfer of viruses. In plants, meristem tissue contains stem cells that can be used to clone plants.
How the interactive helps you understand Stem Cells
Watch the cell model in the interactive. Use any sliders or buttons it offers to change the values and see how the cell model responds.
Before you change anything, predict the result. Then change one value at a time and check whether your prediction was right. This is a quick way to build a correct mental model of Stem Cells.
Real-life uses and examples
- Connect Stem Cells to health, food and medicine in everyday life.
- Use Stem Cells to interpret a diagram, graph or microscope image from a practical.
- Structure a longer answer about Stem Cells by moving from definition to example to consequence.
Common mistakes to avoid
- Listing the steps of a process without saying how one step causes the next.
- Using everyday words, such as “energy” or “bad”, without their scientific meaning.
- Learning the definition without testing it. Use the quiz and the interactive to check that you can apply the idea.
Frequently asked questions about Stem Cells
What is Stem Cells?
Stem cells are unspecialised cells that can divide and become many different types of cell.
What are the most important points about Stem Cells?
The main points are: Used to repair damaged tissue; Found in embryos and bone marrow; Raise ethical questions.
Why is Stem Cells useful?
Understanding Stem Cells helps you explain how living things stay alive and respond to their surroundings, which is central to biology exams.
How can I practise Stem Cells?
Open the interactive at the top of this page and change the controls one at a time. Predict the result before each change, then take the three-question quiz. A score of two or more marks the topic as complete on this device.
Which topics are related to Stem Cells?
Related topics in Biology include Protein Synthesis, Inherited Disorders, Mutations.