The following data were obtained for a reaction that catalyzed by an enzyme:Initial concentration of 0.1410.1090.0770.0400.0280.0200.016the enzyme [S], molL-Relative velocity, V22.020.519.012.59.07.06.0For this reaction, the rate is found experimentally to follow the Michaelis-Menten equation:Vmax[S]Vo =Км+[S](1)Transform the above equation into a straight-line equation.By plotting a suitable graph, determine the Michaelis constant (KM) and the maximalvelocity (Vmax) for the above reaction.Determine the Vmax value when [S] = KM.

Michaelis Menton equation: This equation gives relation between initial rate of reaction with…

Answered: The following data were obtained for a…

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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Suppose that the data shown in the margin are obtained for an enzyme -catalyzed reaction. [S] (mM) V (mmol/ml min) 0.1 3.33 0.2 5.0 0.5 7.14 0.8 8.00 1.0 8.33 2.0 9.09 a.) Determine the Km and Vmaxb.) Assuming htat the enzyme present in the system had a concentration of 10-6M, calculate the turn -over number
The equation of the double reciprocal plot is y = 0.5294 x + 1.4960. What is the value of vmax (in M/s)? The substrate concentration is given in units of molarity (M) and reaction velocity has units of molarity per second (M/s). (Report to three significant figures)
An enzyme catalyzes a reaction with a Km of 9.50 mM and a Vmax of 2.10 mM · s-1. Calculate the reaction velocity, vo, for each substrate concentration. [S] = 3.25 mM vo : mM · s-1 [S] = 9.50 mM mM · s-1 Vo :
A bacterial enzyme catalyzes the hydrolysis of maltose as shown in the reaction given below: Maltose + H2O -> 2 glucose If the reaction has a Km of 0.135 mM and a V max of 65 m mol/min. What is the reaction velocity when the concentration of maltose is 1.0 mM?
A bacterial enzyme catalyzes the hydrolysis of maltose as shown in the reaction given below: Maltose + H2O -> 2 glucose If the reaction has a Km of 0.135 mM and a V max of 65 umol/min. What is the reaction velocity when the concentration of maltose is 1.0 mM? (Please take note of the units)
Calculate the Keq (report up to two decimal places and do not use scientific notation) for the net reaction at 298.15K. (see attached image) Note: R = 1.98 x 10 -3 kcal/mol-K
An enzyme that follows simple Michaelis–Menten kinetics has an initial reaction velocity of 10 µmol⋅min-1 when the substrate concentration is five times greater than the KM. What is the Vmax of this enzyme in µmol⋅min−1?
At 298 K the standard enthalpy of combustion of sucrose is −5797 kJ mol−1 and the standard Gibbs energy of the reaction is −6333 kJ mol−1. Estimate the additional non-expansion work that may be obtained by raising the temperature to blood temperature, 37 °C.
The rates at various substrate concentrations for an enzyme-catalysed reaction (b) are recorded as follows: 2.5 5.0 10.0 15.0 (S]/10 M 2.2 3.8 5.9 7.1 Vo/ M min Assuming the reaction obeys Michaelis-Menten kinetics, calculate the following values by using Lineweaver-Burk plot () maximum rate, Vmax- (i) Michaelis constant, Km- (ii) turnover number, kz.
You obtain a calculated Vmax of 4.26uM/s and a Km of 122.5uM from a kinetics experiment performed using 0.5uM enzyme. What is the catalytic efficiency of this enzyme?
A particular reaction has a ΔG‡ of 30.0 kJ mol-1 at 25.0 °C. In the presence of an enzyme, the same reaction has a ΔG‡ of 1.50 kJ mol-1 at the same temperature. Calculate the rate enhancement of this enzyme. (R = 8.3145 J mol-1 K-1)
A 0.578-g saltwater sample was titrated with 1.864 g AgNO3 solution to reach the endpoint of the reaction. Calculate the following by showing all necessary solutions: 1. mol AGNO3 if the AGNO3 solution was prepared by dissolving 5.0 g of AgNO3 in distilled water until 100 ml is reached. (MW AgNO3 = 169.87 g/mol) 2. % Cl in the saltwater sample (MM CI = 35.45 g Cl /mol CI" )

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