Predict the optimal cellular conditions for enzyme activity OR the effect of a drug OR condition...
Predict the optimal cellular conditions for enzyme activity OR the effect of a drug OR condition of the activity of an enzyme using Michaelis Menten.
Homework Answers
Ans- Enzymes are catalysts. The primary function of enzymes is
to enhance rates of reactions so that they are compatible with the
needs of the organism.
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Predict the optimal cellular conditions for enzyme activity OR
the effect of a drug OR condition...
A.Your summer research project is to study the kinetics of a newly discovered enzyme. You have...
A.Your summer research project is to study the kinetics of a newly discovered enzyme. You have already identified the substrate and optimal reaction conditions. Propose how you would set up experiments to characterize the maximum velocity (Vmax) and Michaelis constant (KM) of this enzyme, assuming that it will display Michaelis-Menten kinetics. B. How would you compare the specificity of the enzyme for its natural substrate versus its specificity for a chromogenic substrate analog that was synthesized in the lab
[Alcohol] mMAD Activity AD Activity AD Activity mM/min Agent A Agent B mM/minmM/min 15.0 2.5 5.0 7.5 45.0 20.0 0.5...
[Alcohol] mMAD Activity AD Activity AD Activity mM/min Agent A Agent B mM/minmM/min 15.0 2.5 5.0 7.5 45.0 20.0 0.5 63.0 10.0 32.0 71.0 2.0 11.7 48.0 4.0 79.0 13.4 66.0 8.0 14.3 83.0 84.0 32.0 90.0 15.5 90.0 1. Using the data provided draw a Michaelis-Menten and Lineweaver-Burk Plot for each of the enzyme activities? When you produce the 2 graphs make sure you have plotted 3 curves for the Michaelis-Menten plot on one graph and the three lines...
1. In your own words, describe what is the VMAX of an enzyme. 2. What would...
1. In your own words, describe what is the VMAX of an enzyme. 2. What would be the effect of adding more substrate to a reaction on the VMAXof the reaction? 3. What would be the effect of adding more enzyme to a reaction on the VMAX of the reaction? 4. In your own words, describe the what is KM of an enzyme. 5. In your own words, describe what is the specific activity of an enzyme. 6. Why is...
Match each statement with the condition that it describes. Note that "rate" refers to initial velocity...
Match each statement with the condition that it describes.
Note that "rate" refers to initial velocity V0 where steady
state conditions are assumed. [Etotal] refers to the total enzyme
concentration and [Efree] refers to the concentration of free
enzyme
The Michaelis-Menten equation models the hyperbolic relationship between [S] and the initial reaction rate V for an enzyme-catalyzed, single-substrate reaction ES ES EP. The model can be more readily understood when comparing three conditions: [S] << Km, [S] = Km, and...
The role of an enzyme in an enzyme-catalyzed reaction is to: Select one: a. make the...
The role of an enzyme in an enzyme-catalyzed reaction is to: Select one: a. make the free-energy change for the reaction more favorable. b. ensure that the product is more stable than the substrate. c. ensure that all the substrate is converted to product. d. increase the rate at which substrate is converted into product. e. do none of the above. The focus of the online practical lesson was the enzyme chymotrypsin. The catalytic mechanism by which chymotrypsin reactions occur:...
4. What was the independent variable in the "Effect of Temperature on Enzyme Activity" lab? 5....
4. What was the independent variable in the "Effect of Temperature on Enzyme Activity" lab? 5. What was the dependent variable in the "Effect of Temperature on Enzyme Activity" lab?
During clinical rounds, you encounter patients who exhibit defects that affect gluconeogenesis. Predict the effect that...
During clinical rounds, you encounter patients who exhibit defects that affect gluconeogenesis. Predict the effect that each of the following conditions/defects would have on gluconeogenesis. Explain your prediction and indicate what life style change the patient might make to alleviate the symptoms. a) Patient 1 exhibits a deficiency of the liver lactate dehydrogenase activity. b) Patient 2 exhibits defective liver glucagon receptors which cannot bind glucagon. c) Patient 3 exhibits a constitutively phosphorylated liver phosphofructokinase-2 to lock the bifunctional enzyme...
Part . Essay Question Answer the Anver the Bollawing quetions y optimal ollowing velocity d asyod...
Part . Essay Question Answer the Anver the Bollawing quetions y optimal ollowing velocity d asyod under the optimal conditions and the Departsonen og Biological S 1. The enayme A was assay were obtained: ollowing velocity data aM mol L/min A. R 2. The 1 0.05 2 0.12 4 0.4 6 1.2 10 2.5 20 4 40 4.2 Assume Vnax for the enzyme to be 4.5 nmol/L/min a. whether it follows Michaelis-Menten kinetics or not; if not determine the type...
2. hypothesize the best conditions (pH and temperature) under which the enzyme chymotrypsin functions with an...
2. hypothesize the best conditions (pH and temperature) under
which the enzyme chymotrypsin functions with an appropriate
reference. also, hypothesize what will occur in the presence of an
inhibitor and the type of inhibition.
EXPERIMENT 5: ENZYME ACTIVITY WITH a-CHYMOTRYPSIN Prelab Assignment 1. Prepare a flow chart, covering one half of the experimental work (either part A and C if your lab bench is on the window side of the lab or part B and D if your locker is...
List three conditions that would alter the activity of an enzyme. Be specific with your explanations....
List three conditions that would alter the activity of an enzyme. Be specific with your explanations. 1. Describe two different catalysts, and explain why they would be used in a chemical reaction. 2. What are the practical applications of using enzymes?
[Alcohol] mMAD Activity AD Activity AD Activity mM/min Agent A Agent B mM/minmM/min 15.0 2.5 5.0 7.5 45.0 20.0 0.5 63.0 10.0 32.0 71.0 2.0 11.7 48.0 4.0 79.0 13.4 66.0 8.0 14.3 83.0 84.0 32.0 90.0 15.5 90.0 1. Using the data provided draw a Michaelis-Menten and Lineweaver-Burk Plot for each of the enzyme activities? When you produce the 2 graphs make sure you have plotted 3 curves for the Michaelis-Menten plot on one graph and the three lines...
Match each statement with the condition that it describes.
Note that "rate" refers to initial velocity V0 where steady
state conditions are assumed. [Etotal] refers to the total enzyme
concentration and [Efree] refers to the concentration of free
enzyme
The Michaelis-Menten equation models the hyperbolic relationship between [S] and the initial reaction rate V for an enzyme-catalyzed, single-substrate reaction ES ES EP. The model can be more readily understood when comparing three conditions: [S] << Km, [S] = Km, and...
The role of an enzyme in an enzyme-catalyzed reaction is to: Select one: a. make the free-energy change for the reaction more favorable. b. ensure that the product is more stable than the substrate. c. ensure that all the substrate is converted to product. d. increase the rate at which substrate is converted into product. e. do none of the above. The focus of the online practical lesson was the enzyme chymotrypsin. The catalytic mechanism by which chymotrypsin reactions occur:...
Part . Essay Question Answer the Anver the Bollawing quetions y optimal ollowing velocity d asyod under the optimal conditions and the Departsonen og Biological S 1. The enayme A was assay were obtained: ollowing velocity data aM mol L/min A. R 2. The 1 0.05 2 0.12 4 0.4 6 1.2 10 2.5 20 4 40 4.2 Assume Vnax for the enzyme to be 4.5 nmol/L/min a. whether it follows Michaelis-Menten kinetics or not; if not determine the type...
2. hypothesize the best conditions (pH and temperature) under
which the enzyme chymotrypsin functions with an appropriate
reference. also, hypothesize what will occur in the presence of an
inhibitor and the type of inhibition.
EXPERIMENT 5: ENZYME ACTIVITY WITH a-CHYMOTRYPSIN Prelab Assignment 1. Prepare a flow chart, covering one half of the experimental work (either part A and C if your lab bench is on the window side of the lab or part B and D if your locker is...
List three conditions that would alter the activity of an enzyme. Be specific with your explanations. 1. Describe two different catalysts, and explain why they would be used in a chemical reaction. 2. What are the practical applications of using enzymes?
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