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because methylene blue turns colourless when it is reduced by hydrogen. during respiration hydrogen is produced and instead of reducing NAD, it reduces methylene blue and turns methylene blue colourless. if methylene blue goes from blue to colourless then this shows that the cell is respiring as it is producing a suffiecient amount of hydrogen to decolourise methylene blue

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12y ago
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14y ago

It bleaches and becomes clear

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11y ago

hm

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Q: Why is methylene blue used as an indicator of cell respiration?
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Related questions

What is the substances in a living cell that has same function as methylene blue?

NADH


Process name involved the reaction of yeast and methylene blue?

Methylene blue is a solid, odorless, dark green powder at room temperature. In water this chemical compound turns into a blue solution. When methylene blue is reacted with yeast cells it inhibits the respiration which stops the cells from using hydrogen ions to release energy.


When living yeast cell were place in methylene blue they became blue why did this happen?

When you added methylene blue to the living yeast cell, the methylene blue is actually a dye so you could see the cells, therefore, the yeast cell became blue. It is much the same with hair dye. If you have a bottle of blue hair dye, it will dye your hair blue.


Why is methylene blue necessary?

Methylene blue is helpful to observe cells through a violet-blue color, making organelles, as well as the cell, easier to identify.


What does methylene blue do to the activity of the cell?

Methylene blue is used to stain animal cells, such as human cheek cells, to make their nuclei more observable.


What is substance in living cell that has same function as methylene blue?

NADH


What is the substance in living cell that has same function as methylene blue?

NADH


Whats organelles are visible when methylene blue stains a tomato cell?

When methylene blue stains a tomato cell, it stains both the nucleus and the cytoplasm of the eukaryotic cells. These are the most important organelles of a plant.?æ


What structure in living cell that represented by blue methylene on kingdom fungi?

NADH


Is the cell surface membrane permeable to methylene blue?

Methylene blue is used to stain animal cells, such as human cheek cells, to make their nuclei more observable. Also used to staining the blood film and used in cytology. It gives a blue coloration to the human cheek cell.


How can methylene blue change the solute potential of the cell?

Methylene blue is a membrane-permeable dye that can enter the cell and bind to cellular components, such as proteins and nucleic acids. This binding can alter the osmotic properties of the cell and affect its solute potential. Methylene blue can also disrupt the electron transport chain in mitochondria, leading to changes in cellular metabolism and solute potential.


Why is methylene blue commonly used for animal cells even though it stains plant and animal nuclei?

because the nuclear bytrate in the animal cell does not react with methylene blue