Exercise 7 - 1.07 1.02 0.98-0.12 7.6 1.24 1.1 0.95 0.82...

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0 60 120 180 0 0.2 0.4 0.6 0.8 1 1.2 f(x) = -0.32x + 1.14 f(x) = -0.24x + 1.16 f(x) = -0.09x + 0.98 f(x) = -0.05x + 0.96 A620 values from the Enzyme Treatment Time Row 2 Linear Regression for Row 2 Row 3 Linear Regression for Row 3 Row 4 Linear Regression for Row 4 Row 5 Linear Regression for Row 5 Time (seconds) Absorption Value
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0 30 60 90 120 150 0 0.2 0.4 0.6 0.8 1 1.2 1.4 f(x) = -0.18x + 1.38 f(x) = -0.05x + 1.27 f(x) = -0.13x + 1.36 Effect of pH on Rate of Starch Digestion by Human Salivary a-Amylase Row 8 Linear Regression for Row 8 Row 9 Linear Regression for Row 9 Row 10 Linear Regression for Row 10 Time (seconds) Absorption Value
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0 60 120 180 slope(sec) slope(min) 1 0.99 0.31 0.06 0.01 -0.01 -0.43 1/2 0.97 0.63 0.45 0.23 -0.01 -0.32 1/4 0.96 0.75 0.66 0.7 0 -0.11 1/8 0.94 0.78 0.82 0.74 0 -0.07 0 30 60 90 120 150 slope(sec) slope(min) 6.0 1.2 1.01 0.84 0.67 0.47 0.29 -0.01 -0.43 6.8 1.22 1.17 1.13
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Unformatted text preview: 1.07 1.02 0.98-0.12 7.6 1.24 1.1 0.95 0.82 0.69 0.58-0.01-0.32 for the general enzyme one: take the slope, multiply by 4 and divide by 180 for slope in rate/sec. for pH: take the slope, multiply by 6 and divide by 150 for slope in rate/sec. 1. The dilution closest to rate of decrease of .3/min is the 1/2 dilution instead of the 1/4 dilution, which was supposed to be the answer in class. 3. The optimum pH is 6.8 because it had the highest level of starch digestion rate, which means that it would be the best optimum level given the three option. Judging from the graph, alpha-amylase lasts longer under pH 6.8, which means it will digest more food in a given pH than if it were at any other pH....
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This note was uploaded on 02/22/2010 for the course BIO 50100 taught by Professor Brand during the Fall '09 term at University of Texas at Austin.

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Exercise 7 - 1.07 1.02 0.98-0.12 7.6 1.24 1.1 0.95 0.82...

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