Biology A-Level
stem cells
What stem cells means in Biology A-Level, as defined for AQA.
Definition of stem cells
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Reference: AQA
Cells found in specific populations such as bone marrow, intestinal crypts and the basal layer of the skin, where division is mostly restricted.
Topics that use stem cells
- All cells arise from other cells (AQA A-Level)
Related terms
- acid hydrolysis and squashing
- anaphase
- attachment protein and receptor
- cell plate and Golgi vesicles
- centromere attachment
- chromatid separation
- chromosome number maintained
- circular DNA replication
Using stem cells in the exam
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