Explain one by one why the results is like that for 4 test tubes in pancreatin digestion specifically for protein digestion

Principles Of Pharmacology Med Assist
6th Edition
ISBN:9781337512442
Author:RICE
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Chapter4: The Metric System
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Explain one by one why the results is like that for 4 test tubes in pancreatin digestion specifically for protein digestion

B. Pancreatin digestion
1. Prepare 4 test tubes as follows:
Tube 1 - 3 ml neutral pancreatin
Tube 2 - 3 ml water
Tube 3 - 3 ml water + 1.5 ml pancreatin
Tube 4
- 3 ml water + 1.5 ml pancreatin + 1.5 ml 1% Na2CO3
2. Place equal size of hard-boiled egg white in all tubes.
3. Place all tubes in water bath with a temperature maintained at 40°C_for 1.5
hours.
4. Add 3 drops of toluene in all tubes and incubate till the next lab period.
5. Observe the size of the egg white in each of the tubes.
6. Take 1 ml of the supernatant in each tube and place in 4 separate test tubes
labelled 1b,2b,3b,4b. Add 1 ml of 10% NaOH and 2 drops of 1% CUSO4 in each
tube. Mix and compare the result of the 4 tubes.
Transcribed Image Text:B. Pancreatin digestion 1. Prepare 4 test tubes as follows: Tube 1 - 3 ml neutral pancreatin Tube 2 - 3 ml water Tube 3 - 3 ml water + 1.5 ml pancreatin Tube 4 - 3 ml water + 1.5 ml pancreatin + 1.5 ml 1% Na2CO3 2. Place equal size of hard-boiled egg white in all tubes. 3. Place all tubes in water bath with a temperature maintained at 40°C_for 1.5 hours. 4. Add 3 drops of toluene in all tubes and incubate till the next lab period. 5. Observe the size of the egg white in each of the tubes. 6. Take 1 ml of the supernatant in each tube and place in 4 separate test tubes labelled 1b,2b,3b,4b. Add 1 ml of 10% NaOH and 2 drops of 1% CUSO4 in each tube. Mix and compare the result of the 4 tubes.
B. Pancreatin Digestion
TUBE
SIZE of egg white
Results
Purple colored Solution
1(Pancreatin)
No change in size
No change in size
Purple colored Solution
2(Water)
No change in size
Light-Purple colored Solution
3(water, Pancreatin)
(Ctrl) -
Blue colored solution
Size decreased
4(water, Pancreatin,
Na2CO3)
greatly
Transcribed Image Text:B. Pancreatin Digestion TUBE SIZE of egg white Results Purple colored Solution 1(Pancreatin) No change in size No change in size Purple colored Solution 2(Water) No change in size Light-Purple colored Solution 3(water, Pancreatin) (Ctrl) - Blue colored solution Size decreased 4(water, Pancreatin, Na2CO3) greatly
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