![8,Given an enzyme with a Km 10 mM and Vmax 100 mmol/min. If [S]-100MM, which will increase the velocity more? Explain with re](http://img.homeworklib.com/images/9faf3026-6f06-407a-af46-caf2d7be1a7b.png?x-oss-process=image/resize,w_560)
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which of the following statements about Michael is-menten kinetics is not correct 8,Given an enzyme with a Km 10 mM...
7. a) In an enzyme catalyzed reaction which follows the Michaelis-Menten kinetics. The substrate ...
7. a) In an enzyme catalyzed reaction which follows the Michaelis-Menten kinetics. The substrate concentration (Km, Michaelis constant) needed to reach 50% of the maximum reaction velocity (Vmax) is 20 μΜ. What substrate concentration is required to obtain at least 75% of the maximum reaction velocity? Show the work to get full points. (5 points) b) You want to load 10 μg of protein in 15 μL into one of the 10% polyacrylamide gel well. The protein needs to be...
For an enzyme that displays Michaelis-Menten kinetics, what is the reaction velocity v (as a percentage...
For an enzyme that displays Michaelis-Menten kinetics, what is the reaction velocity v (as a percentage of Vmax) ,observed at each of the following substrate concentrations. (Ex, v = xVmax, where x = an integer, fraction, or decimal number (two decimal places)) a) [S] = 0.1 Km _________ b) [S] = 2 Km _________ c) [S] = 10 Km _________
Part A An enzyme that follows Michaelis-Menten kinetics has a KM value of 10.0 uM and...
Part A An enzyme that follows Michaelis-Menten kinetics has a KM value of 10.0 uM and a kcat value of 201 s-1. At an initial enzyme concentration of 0.0100 uM, the initial reaction velocity was found to be 1.07 x 10- uM/s. What was the initial concentration of the substrate, [S], used in the reaction ? Express your answer in micromolar to three significant figures. ► View Available Hint(s) PO ALO O O ? [S]; = MM UM
The Michaelis-Menten equation is often used to describe the kinetic characteristics of an enzyme-catalyzed react...
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...
Assuming that an enzyme catalyzed reaction follows Michaelis-Menten kinetics with a Km of 1 x 10-6...
Assuming that an enzyme catalyzed reaction follows Michaelis-Menten kinetics with a Km of 1 x 10-6 M. If the initial reaction rate (V0) is 0.1 μmol/min at 0.1 M, what would it be at 0.01 M, 10-3M, and 10-6 M?
4. Basic concepts of Michaelis-Menten kinetics. The Michaelis-Menten equation is expression of the relationship between the...
4. Basic concepts of Michaelis-Menten kinetics. The Michaelis-Menten equation is expression of the relationship between the initial velocity, Vo, of an enzymatic reaction and substrate concentration, [S]. There are three conditions that are useful for simplifying the Michaelis-Menten equation: [S] <<Km; [S] = Km; [S] >> Km. Match each condition with the statement(s) that describe it. TV, Vmox[S] Vo =Vmax m . V Vo - Vmax [S] Km +[S] V. (um/min) max [S] (mm) (a) Doubling [S] will almost double...
c. 0.6 sec d. 1.67 sec 16. Which of the following about Michaelis-Menten enzyme kinetics is CORRECT? a. It assumes t...
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...
A single-substrate enzyme that obeys Michaelis-Menten kinetics displays the following parameters: Kd = 3.1 x 10^-5...
A single-substrate enzyme that obeys Michaelis-Menten kinetics displays the following parameters: Kd = 3.1 x 10^-5 M; k1 = 107 M-1 s-1, and kcat = 10^4 s-1. Given this information, what is the value of the Michaelis constant Km? Express your answer in terms of mM to four significant figures.
2) (5 marks) The enzyme Happyase follows simple Michaelis – Menten Kinetics a. The Km of...
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
The key factor that controls the initial rate of an enzyme catalysed reaction (Vo) is the...
The key factor that controls the initial rate of an enzyme catalysed reaction (Vo) is the concentration of the substrate of the reaction ([S]). In Damon's Michaelis-Menten experiment, the highest concentration of substrate used was 500 UM. What do you think will happen to the reaction velocity if higher concentrations of substrate were used? Select one: a. Vo will reach a plateau at higher (S) values O b. Vo will increase exponentially as (S) is increased O c. Vo will...
7. a) In an enzyme catalyzed reaction which follows the Michaelis-Menten kinetics. The substrate concentration (Km, Michaelis constant) needed to reach 50% of the maximum reaction velocity (Vmax) is 20 μΜ. What substrate concentration is required to obtain at least 75% of the maximum reaction velocity? Show the work to get full points. (5 points) b) You want to load 10 μg of protein in 15 μL into one of the 10% polyacrylamide gel well. The protein needs to be...
Part A An enzyme that follows Michaelis-Menten kinetics has a KM value of 10.0 uM and a kcat value of 201 s-1. At an initial enzyme concentration of 0.0100 uM, the initial reaction velocity was found to be 1.07 x 10- uM/s. What was the initial concentration of the substrate, [S], used in the reaction ? Express your answer in micromolar to three significant figures. ► View Available Hint(s) PO ALO O O ? [S]; = MM UM
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...
4. Basic concepts of Michaelis-Menten kinetics. The Michaelis-Menten equation is expression of the relationship between the initial velocity, Vo, of an enzymatic reaction and substrate concentration, [S]. There are three conditions that are useful for simplifying the Michaelis-Menten equation: [S] <<Km; [S] = Km; [S] >> Km. Match each condition with the statement(s) that describe it. TV, Vmox[S] Vo =Vmax m . V Vo - Vmax [S] Km +[S] V. (um/min) max [S] (mm) (a) Doubling [S] will almost double...
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 key factor that controls the initial rate of an enzyme catalysed reaction (Vo) is the concentration of the substrate of the reaction ([S]). In Damon's Michaelis-Menten experiment, the highest concentration of substrate used was 500 UM. What do you think will happen to the reaction velocity if higher concentrations of substrate were used? Select one: a. Vo will reach a plateau at higher (S) values O b. Vo will increase exponentially as (S) is increased O c. Vo will...
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