Cell Respiration Bean Lab

Nome Beon lob p. 3
t? - Allow the respinometers to eguilibrote for 3 minutes.
To the nearest 0.01 ml, record in the toble the initiol position of woter in
eoch pipette.
Woit 10 minutes ond record in the toble ony chonge in woter position.
Woit 10 more minutes, ond ogain record ony chonge in woter position.
13 - Record in the toble the net change fon eoch test tube - thot is, the
initial reoding for eoch tube minusthat fube's ZO-minute reoding.
Did the water position chonge in tube 3 (grovel only)?
By how much? _ ml.
Add this number to the net chonge you obsenved in tubes l ond 2 if the
woter position moved toword the tip of the pipette.
Subtract this number from the net chonge you observed in tubes 1 ond 2 if
the woter position moved toword the tube. This is o correction for ony
chonge in volume due to otmospheric pressure chonges or temperoture
chonges.
Complete the foble.
Aerobic Cellular Resp rotion toble
Test
tube Contenis
1
3
Initio I
reodrn9
Reoding @
10 rninuies
Reading @
20 minutes
t4 - At the end of the experiment:
Place the used gravel ond beons in the dishes provided on the side counter.
Use the hooked probe to remove the cotton bolls-
Wosh the test tubes ond set them in the dish droiner.
Return oll other eguipment to the cort.
Net
cnonge Correction
CoffecIed
net change