Lab Report 5 Enzymes 

Lab Report 5 Enzymes - LabReportPage1 BioLab3 LabReport5...

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Lab Report – Page 1   BioLab 3         Lab Report 5 Enzymes  Student Name: I. Enzyme Structure and Function EXERCISE 1  – Preparation of an enzyme activity standard At five minute intervals over the next fifteen minute period, record the color intensity of the solution of each test tube. Time (min) Tube S 1 Potato Extract + Catechol Tube S 2 Potato Extract + Water Tube S 3 Catechol + Water 0 5 10 15 How can benzoquinone be detected?   Which two solutions need to be present to produce the brown-colored benzoquinone?   What substance is not present in tube S for the production of the brown-colored substance? What substance is not present in tube S for the production of the brown-colored substance?   II. Enzyme Specificity EXERCISE 2  – Enzyme specificity At five and ten minute intervals, record the color intensity in each test tube. Time (min) Tube 1 with catechol Tube 2 with hydroquinone 0 5 10 Based upon color intensity, to what degree does catechol oxidase react with hydroquinone?
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