Several antibodies immunoglobins bind their antigens

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25. Several antibodies (immunoglobins) bind their antigens (ligands ) with different K d the one with the highest affinity is the one whose K d is: a. 3 x 10 -2 . b. 4 x 10 -5 . c. 5 x 10 -9 . d. 3 x 10 5 . e. 5 x 10 9 . 26. The k cat /K M values of all enzymes indicate that enzymes work as fast as: 27. The EC number for bacterial luciferase is 1.14.14.3. These numbers refer to: 28. The chymotrypsin reaction demonstrated that as catalysts enzymes: 29. Allostertic effectors are small molecules that: a. reversibly bind to the active site. b. covalently modify enzymes. c. do not bind the active site. d. look like product to inhibit the reaction. e. none of the above. 30. Zymogen regulation of enzyme activity is dependent upon:
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Written Answer Questions (Wiki sugars) 1. Using the Hayworth projections, diagram showing all atoms a repeating dimer of cellulose. (6 points) . 2. Below is a table showing an experiment with two enzymes: FIUase and Heatase. Both enzymes are able to convert the substrate, basketballin, into the product, pointsfore (B => P). Plot the data on the attached graph paper. Please try to be neat. This table is printed on the graph paper . Basketballin, mM FUIase rate F M/min Heatase rate F M/min 0.0625 .039 0.0227 0.0909 .047 0.0292 0.143 0.0555 0.0380 0.50 0.0740 0.0620 a. Graph the data as a Lineweaver Burke plot. (6 points) b. Calculate the K M for each enzyme on the Graph paper. (4 points) c. The concentration of each enzyme was the same (8.7 nM), calculate the k cat for these enzymes on the graph paper. (2 points) d. Which enzyme is the most efficient? (2 points) Answer on the graph paper.
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