Biology A-Level
DNA stain
What DNA stain means in Biology A-Level, as defined for AQA.
Definition of DNA stain
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Reference: AQA
A stain such as toluidine blue added to the sample so that chromosomes become visible for identifying stages of mitosis.
Topics that use DNA stain
- 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 DNA stain in the exam
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