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the respirometer Flashcards

(8 cards)

1
Q

What is a respirometer?

A

A device used to measure the rate of respiration of a living organism by measuring its uptake of oxygen or release of carbon dioxide.

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2
Q

Why is there potassium hydroxide solution?

A

To absorb the carbon dioxide.

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3
Q

What will happen to the volume inside the respirometer?

A

It decreases.

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4
Q

Which direction will the bubble move?

A

To the left.

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5
Q

What does this mean about the movement of coloured dye?

A

It is due to the absorption of oxygen.

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6
Q

What is oxygen consumption expressed as?

A

A rate- volume per time.

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7
Q

How can a respirometer be used to calculate carbon dioxide production?

A

Set it up the same way but without potassium hydroxide.

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8
Q

What will the difference in movement be due to?

A

The production of CO2.

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