Identify A, B and C. Show how the conversion from A to B takes place.HNA: Name?B: Enzyme?H₂NC: Name?

Vitamins and cofactors undergo several different small chemical changes to become different…

Answered: Identify A, B and C. Show how the…

Biochemistry

9th Edition

ISBN:9781319114671

Author:Lubert Stryer, Jeremy M. Berg, John L. Tymoczko, Gregory J. Gatto Jr.

Publisher:Lubert Stryer, Jeremy M. Berg, John L. Tymoczko, Gregory J. Gatto Jr.

Chapter1: Biochemistry: An Evolving Science

Section: Chapter Questions

Problem 1P

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A post doc was working on charaterizing a new enzyme and found that in a 357 amino acid enzyme, the amino acids 33,34,35 and amino acids 301,303,306 form one active site. Q1:As the PI, would you tell him 1) that this result doesn't make any sense or 2) that this is a interesting finding? Explain your answer Q2: if the amino acid residues 33,34,35 were Phe,Val, and Ala, would this be possible to occur?
For each of the statements below about the dUTPase enzyme, mark whether it is true or false. If it is false, change the language to make the statement true. _______If the dUTPase enzyme is the rate determining step in a larger metabolic pathway, the reaction likely lies near to equilibrium and is irreversible. _______For the dUTPase reaction, it is not likely that DG’ = DG°’ _______ dUTPase has a higher affinity for its substrate than for its product, but both of these are higher than the affinity for the transition state _______Kinetic analysis of dUTPase using Michaelis-Menten methods assumes that the formation of the E*S complex has a large negative value for DG
Draw the velocity curves of both regular and allosteric enzymes. Rationalize the shape of the graphs by explaining what happens during the reaction.
Background: In this experiment, the lab instructor created a catecholase enzyme solution using white potatoes. The potato was the source of enzymes and cofactors in the experiment, as potatoes have sufficient amounts of catecholase and, therefore, cofactors for catecholase. A chilled potato had the peel removed by the instructor and then was chopped into pieces. The potato is peeled so that the brown skin does not interfere with the brown color of the benzoquinone. If this were to occur, the absorbance would seem higher due to the brown potato skin in the solution. The potato was chopped so that the blender did not need to work as hard to break open the cells. The instructor then placed the chopped, peeled potato into a chilled blender. The blender is chilled as heat will speed up the rate of reaction. Cold (chilled) distilled water was then added to the potatoes. This was done to break open the cells of the potato. The catecholase and cofactors are inside the potato cells; water is…
Sketch 1/v v.s. 1/[s] for enzyme 1 and enzyme 2 where enzyme 1 has same Vmax as enzyme 2 but has larger Km.
BONUS: A transition state can decay either to products or substrates. What factor determines which way a reaction will proceed?
Please type answer note write by hend.
MAKE A GRAPH FOR ME ON GRAPH PAPER CALL IT ENZYMES VS RATE OF REACTION USING TABLE BELOW GRAPH paper INSERTED BELOW rules: data points must be an x or circled dot, must be on grid paper , the independant variable on the x axis and dependant variable on the y axis, must include titles Regarding the data points: - H2O2 + MnO2 Control #1: (Control #1, 5)- H2O2 + sand control #2: (Control #2, 0)- Plant versus Animal Liver Catalase: (Liver, 4)- Potato: Plant vs. Animal Catalase: (Potato, 3)- Substance Enzyme Concentration (Used Liver): (Liver Used, 4)- Substance Enzyme Concentration (Used H2O2): (Used H2O2, 1) - Boiling Water Bath Temperature: (Boiling Water Bath, 5)- Ice Water Bath Temperature: (Ice Water Bath, 2)- HCl, or pH 3: (H 3, 4)- NaOH at pH 12: (pH 12, 2)- pH 7 (H2O): (assuming average of pH readings; pH 7, not specified) The following explains how to display the graph: Title: Factors versus Enzyme Activity Rate - Labels on X- and Y-axes: Factors and Rate of Enzyme…
Consider the following free energy diagram for an uncatalyzed and enzyme-catalyzed reaction. Select all the statements that are true. Without enzyme With enzyme A+B Time AB Oa. The reaction is now spontaneous due to the addition of enzyme b. The rate of the enzyme catalyzed reaction is faster than the uncatalyzed reaction O C. The reaction is exergonic O d. The change in free energy for the reaction is greater in the catalyzed reaction, compared to the uncatalyzed reaction e. The enzyme stabilizes the transition state for the reaction Released Energy pes
Analyze the reaction below and identify the major class of enzyme that catalyzes the the given reaction:
| 2 3 I 4 I 5 I 6 I 7 Directions: Graph the data (line graph); label both axes. DATA TABLE 1 Temperature (°C) Enzyme Activity 10 10 20 15 30 25 40 45 50 35 60 20 Temperature (C) 1. According to the graph, what is the best (optimum) temperature for enzyme activity? Explain your reasoning. 2. What happens to the enzyme above the optimum temperature? 26°F F12 PrtSc Insert Delete F7 FO F9 Backspac 7 8. R P G K 近

Is the data that you are collecting in the above table quantitative or qualitative? Explain why. Which treatment had the least amount of browning? Which had the most? Why do you think you obtained these results? Remember that the enzyme polyphenol oxidase is a protein! For each treatment, apply your knowledge of how temperature, pH, and salt concentration affect enzyme activity and explain why you got the results that you did. Include bonds and the levels of protein structure that you explored in Activity A in your answer. How does temperature impact the rate of enzyme activity? If you were to leave the apple in the refrigerator longer, why would it eventually brown? Explain based on what you know about enzyme activity. How does pH and its impact on specific types of bonds explain the results you obtained in your lemon juice treatment? Include bonds and levels of protein structure in your answer. How does salt and its impact on specific types of bonds explain the results you obtained…

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Identify A, B and C. Show how the conversion from A to B takes place. HN A: Name? B: Enzyme? C: Name?