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Question

Cell organelle getting stained with redox dye Janus Green is

A
Lysosome
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B
Mitochondrion
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C
Ribosome
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D
Golgi apparatus
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Solution

The correct option is B Mitochondrion
  • Janus Green B is a basic and a redox dye which is primarily used to stain the cellular organelle mitochondria.
  • Janus Green B changes the colour according to the availability of oxygen (redox dye).
  • The indicator oxidizes to a blue colour in the presence of oxygen.
  • So, the correct answer is 'Mitochondrion'.

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