What could be the answers in number 1 & 2? TABLE 2: EFFECT OF TEMPERATURE ON CATALASE ACTIVITYSTRENGTHOFREACTIONTemperature|(small,med,large)++t large bubbleyeargetHt lange bubblyno buffles0 degrees CRoom Temperaturebubbly37 degrees C100 degrees C1. At what pH level catalase exhibits the highest activity? Why?2. At what pH level catalase exhibits the lowest activity? Why?

The explanation is given below-

TABLE 2: EFFECT OF TEMPERATURE ON CATALASE ACTIVITY STRENGTH OF REACTION Temperature |(small,med,large) ++t large bubblly 7 tt earge Ht 0 degrees C Room Temperature bubbly lange bubbly no buffles 37 degrees C 100 degrees C 1. At what pH level catalase exhibits the highest activity? Why? 2. At what pH level catalase exhibits the lowest activity? Why?

TABLE 2: EFFECT OF TEMPERATURE ON CATALASE ACTIVITY STRENGTH OF REACTION Temperature |(small,med,large) ++t large bubblly 7 tt earge Ht 0 degrees C Room Temperature bubbly lange bubbly no buffles 37 degrees C 100 degrees C 1. At what pH level catalase exhibits the highest activity? Why? 2. At what pH level catalase exhibits the lowest activity? Why?

Introduction to General, Organic and Biochemistry

11th Edition

ISBN:9781285869759

Author:Frederick A. Bettelheim, William H. Brown, Mary K. Campbell, Shawn O. Farrell, Omar Torres

Publisher:Frederick A. Bettelheim, William H. Brown, Mary K. Campbell, Shawn O. Farrell, Omar Torres

Chapter23: Enzymes

Section: Chapter Questions

Problem 23.71P: 1 Food can be preserved by inactivation of enzymes that would cause spoilage—for example, by...

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Similar questions

5 At a very low concentration of a certain substrate, we find that when the substrate concentration doubles, the rate of the enzyme-catalyzed reaction also doubles. Would you expect the same finding at a very high substrate concentration? Explain.
5 Which of the following is a correct statement describing the induced-fit model of enzyme action? Substrates fit into the active site: (a) because both are exactly the same size and shape. (b) by changing their size and shape to match those of the active site. (c) by changing the size and shape of the active site upon binding.
8 The optimal temperature for the action of lactate dehydrogenase is 36°C. It is irreversibly inactivated at 85°C, but a yeast containing this enzyme can survive for months at —10°C. Explain how this can happen.
Compare the activation energy in uncatalyzed reactions and in enzyme-catalyzed reactions.
7 Enzymes are long protein chains, usually containing more than loo amino acid residues. Yet the active site contains only a few amino acids. Explain why the other amino acids of the chain are present and what would happen to the enzyme activity if the enzyme’s structure were changed significantly.
1 Food can be preserved by inactivation of enzymes that would cause spoilage—for example, by refrigeration. Give an example of food preservation in which the enzymes are inactivated (a) by heat and (b) by lowering the pH.
0 Explain the relationship between transition-state analogs and abzymes.
Based on the graphical information in Problem 21-41 about enzymes A and B a. What is the optimum pH for enzyme B? b. What is the optimum temperature for enzyme A? c. Which enzyme has the greater activity at a pH of 7.2? d. Which enzyme has the greater activity at a temperature of 37.2C?
1.) Did the lactase enzyme show specificity? Support your answer by comparing yor data for lactose and sucrose. 2.) How is the rate of enzyme-catalyzed conversion affected by temperature? Explain? 3.) How is the rate of enzyme-catalyzes conversion affected by acidity (ph) of the solution. Explain?
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3) The enzyme aldolase catalyzes the conversion of fructose-1,6-diphosphate (FDP)to dihydroxyacetone phosphate (DHAP) and glyceraldehide-3-phosphate (G3P). Thereaction isFDP ⇄ DHAP + G3P , ∆rG0(298.15 K) = 23.8 kJ mol−1In red blood cells the concentration of these species are [FDP] = 35 µM, [DHAP] =130 µM, and [G3P] = 15 µM. (Remember that 1.0 µM = 1.0 × 10−6 mol L−1. Thestandard state for reactions in solution can be taken as c0 = 1.0 mol L−1).Calculate ∆rG in a red blood cell at 25 0C. Will the reaction occur spontaneouslyin the cell at this temperature?
3. Calculate the pKb for thefollowing:a. Novocain, Kb = 7 x10-6b. methyl red, Kb = 3 x 10-12