Which of the following is used as an indicator for cellular respiration?
A
Tetrazolium chloride.
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B
Ethanol.
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C
Schiffs reagent.
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D
Lactic acid.
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Solution
The correct option is C Tetrazolium chloride. Tetrazolium chloride is reduced by Complex I in mitochondria. It is completely reduced to an insoluble red 1,3,5-triphenyl formazan under anaerobic conditions. Tetrazolium chloride is a redox indicator used to detect cellular respiration.