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5. The rate of a simple enzyme reaction is given by the standard Michaelis-Menten equation. a....
(I need help with part C, Drawing the expected Michaelis-Menten plot; Do NOT draw the Lineweaver-Burk plot. thanks!) 1. Michaelis-Menten kinetics- use the M-M equation to answer the following: a. An enzyme (5 µM) has a Vmax of 450 mM/min. What is kcat? b. When the substrate concentration is 50 mM, the initial velocity (V0) was measured to be 375 mM/min. Under the conditions described above, calculate the KM. c. Draw the expected Michaelis-Menten plot (label your axes and include...
1. Using Excel, make a Michaelis-Menten plot from the following data. Properly label the axes with units. Calculate the Km and Vmax from the data and compare your answer with the graph. Substrate Concentration Velocity (umol/min) (mm) 2.500 0.588 1.000 0.500 0.714 0.417 0.526 0.370 0.250 0.256
What is the velocity of a Michaelis-Menten enzyme reaction (in terms of vmax) when the concentration of substrate is 4 times the value of KM? Show your work.
An enzyme that follows Michaelis-Menten kinetics has a initial velocity of 300 nM/s at a substrate concentration of 30 uM. The maximum velocity of 400 nM/sec. What is the Km for this enzyme in uM? (Give your answer as a number only. Type your response
9. Applying the Michaelis-Menten Equation I An enzyme catalyzes the reaction A = B. The enzyme is present at a con- centration of 2 nm, and the Vmax is 1.2 ums". The Km for substrate A is 10 um. Calculate the initial velocity of the reaction, Vo, when the substrate concentration is (a) 2 um, (b) 10 um, (C) 30 um.
c. 0.6 sec d. 1.67 sec 16. Which of the following about Michaelis-Menten enzyme kinetics is CORRECT? a. It assumes that the maximum reaction rate is proportional to the catalytic constant multiplied by the total enzyme concentration. b. It assumes that the enzyme-substrate complex concentration remains steady state. c. KM is defined as the substrate concentration at which the velocity of the reaction is maximal, so the unit is M. d. The KM is assigned to each enzyme regardless of...
The Michaelis-Menten equation is often used to describe the kinetic characteristics of an enzyme-catalyzed reaction. S Where v is the velocity or rate, Vmax is the maximum velocity, Km is the +IST Michaelis- Menten constant, and I5 s the substrate concentration. K + S v (uM/min) a) A graph of the Michaelis-Menten equation is a plot of a reaction's initial velocity (Vo) at different substrate concentrations ([S]) 300 Vmax 250 1/2 Vmax First, move the line labeled "Vmax to a...
1. MICHAELIS-MENTON-(REQUIRED) a. Draw a simple graph, showing the classic Michaelis-Menton plot of enzyme activity as a function of substrate concentration; label both axes. Write the associated Michaelis-Menton equation and show the location of Km and Vmax on your graph. b. Draw a second graph showing the classic Lineweaver-Burk plot; label both axes. Show the location of Km and Vmax on your graph. Discuss which plot is the most useful to determine Vmax. Draw a second line on each graph...
2) (5 marks) The enzyme Happyase follows simple Michaelis – Menten Kinetics a. The Km of Happyase for its substrate ICE is Kms = 1mM. Happyase also acts on substrate CREAM and its Km1 =10mM. Is ICE or CREAM the preferred substrate for Happyase? Explain b. The rate constant k2 with substrate ICE is 2x104sec-1; with substrate CREAM, k2=4x105sec-1. Does Happyase use substrate ICE or substrate CREAM with greater catalytic efficiency? Show calculations and explain your answer.
2) (5 marks) The enzyme Happyase follows simple Michaelis – Menten Kinetics a. The Km of Happyase for its substrate ICE is Km^s = 1mM. Happyase also acts on substrate CREAM and its Km^T =10mM. Is ICE or CREAM the preferred substrate for Happyase? Explain b. The rate constant k2 with substrate ICE is 2x10^4sec^ -1; with substrate CREAM, k2=4x10^5sec ^-1. Does Happyase use substrate ICE or substrate CREAM with greater catalytic efficiency? Show calculations and explain your answer