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Lactase Enzyme Activity - Lab Report Example

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The present report is focused on the peculiarities of the lactase enzyme activity. The first thing to be mentioned is that enzymes are biological molecules made up of a complex protein that catalyzes specific chemical change in living organisms. …
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Lactase Enzyme Activity
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Download file to see previous pages Microfuge tubes were selected and labeled according to the selected temperatures 00C, 250C, 400C, 600C, 800C and 1000C and each filled up with 0.5 lines with lactase solution. The solutions were then maintained at water baths with respective temperatures for five minutes after which milk was added to lactose solution up to 1.0 line using an alternate plastic pipette. The solution was left for ten minutes after which a glucose strip was placed into each of the test tubes for one second and allowed to sit on the bench for thirty seconds. The coloration of the glucose strip was then compared with the chart and the amount of glucose recorded in mg/dL.
Seven microfuges were selected and labeled; 2, 4, 5, 6, 7, 8, 10, and 12, filled with appropriate pH buffer up to 0.5 line and 3 drops of milk added into each tube. The solution solutions in the seven tubes were then mixed by inverting the tubes three times after which 3 drops of lactase solution was added to each tube using a plastic pipette. All tubes were then incubated for 10 minutes in a water bath at 400C. A glucose strip was then placed in each test tube for one second, removed and left on the bench for thirty seconds and finally coloration compared to the chart provided.
Two microfuge tubes were selected and labeled “L” and the other labeled “M”. Lactose and Maltose solutions were then added into the tubes labeled L and M respectively up to the 0.5 line.
Lactase solution was then added into each tube up to 1.0 line and the mixture placed in 400C water bath for 10 minutes. ...Download file to see next pagesRead More
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