MCQ
Which is the most commonly used stain for epidermal cells?
- AMalachite green.
- ✓Iodine.
- CBasic fuchsin.
- DCrystal violet.
✓
Answer
Correct option: B.
Iodine.
Iodine was initially used to stain epidermal cells as it precipitates the proteins of the protoplasm and stains them a light brown colour, the nucleus in a more intense colour, and nucleoli even darker, as well as cell walls which help to distinguish the different parts of cells.
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