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.
2
Q
Why is there potassium hydroxide solution?
A
To absorb the carbon dioxide.
3
Q
What will happen to the volume inside the respirometer?
A
It decreases.
4
Q
Which direction will the bubble move?
A
To the left.
5
Q
What does this mean about the movement of coloured dye?
A
It is due to the absorption of oxygen.
6
Q
What is oxygen consumption expressed as?
A
A rate- volume per time.
7
Q
How can a respirometer be used to calculate carbon dioxide production?
A
Set it up the same way but without potassium hydroxide.
8
Q
What will the difference in movement be due to?
A
The production of CO2.
