Observation 1. potato extract + phenol + H,02 2. potato extract + catechol + + H,0, 3. potato extract + Guiac + H202 1. boiled potato extract + phenol + H202 2. boiled potato extract + catechol + + H,O2 3. boiled potato ex tract + Guiac + H,0,2
Observation 1. potato extract + phenol + H,02 2. potato extract + catechol + + H,0, 3. potato extract + Guiac + H202 1. boiled potato extract + phenol + H202 2. boiled potato extract + catechol + + H,O2 3. boiled potato ex tract + Guiac + H,0,2
Biochemistry
9th Edition
ISBN:9781319114671
Author:Lubert Stryer, Jeremy M. Berg, John L. Tymoczko, Gregory J. Gatto Jr.
Publisher:Lubert Stryer, Jeremy M. Berg, John L. Tymoczko, Gregory J. Gatto Jr.
Chapter1: Biochemistry: An Evolving Science
Section: Chapter Questions
Problem 1P
Related questions
Question
Laboratory Report Sheet – ENZYMES
Procedure:
Potato Peroxidase
- a. Prepare 3 test tubes. Place 1 mL of potato extract to each test tubes.
To the first test-tube - add 5 drops of 1% phenol+ 3 drops of H2O2
second test tube – add 5 drops of catechol or pyrogallol + 3 drops H2O2
third test tube - add 5 drops of guiac solution +
3 drops H2O2
b. Shake well and observe change in color.
2. Repeat procedure 1, a, b, and c, but this time use boiled potato extract.
QUESTION: WHAT ARE THE OBSERVATIONS FOR EACH TUBE?
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