Suppose that a certain biologically important reaction is quite slow at physiological temperature (37 ∘C) in the absence of a catalyst. Assuming that the collision factor remains the same, by how much must an enzyme lower the activation energy of the reaction in order to achieve a 5×105-fold increase in the reaction rate?

Q: E17B.1(b) In a study of the enzyme-catalysed oxidation of ethanol, the molar concentration of…

A: GivenThe reaction is a first order reactionInitial concentration = 220 mmol/dm3Final concentration =…

Q: Suppose that a certain biologically important reaction is quite slow at physiological temperature in…

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Q: What is the activation energy for the isomerization of methyl isocyanide? Rate Constant Temperature…

A: Using the Arrhenius equation : log (k2/k1) = Ea/2.303.R [T2-T1/T1T2] ..................(1)  Here,…

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Q: What is the activation energy for the isomerization of methyl isocyanide? Rate Constant Temperature…

A: Given that K1 = 4.30 x 10 -3 min-1 K2 = 5.51 x 10-2  min-1  T1 = 472 K T2 = 503 K

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Q: 2. The temperature dependence of the acid-catalyzed hydrolysis of penicillin is investigated, and…

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Q: The rate constant of a reaction doubles when the temperature increases from 305K to 315K. What is…

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Q: At body temperature (37°C), the rate constant of an enzymecatalyzed decomposition is 2.3 x 1014…

A: Given data: Body temperature = 370C = 310.15K Rate constant for enzyme catalyzed =2.3 x 1014  Gas…

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A: The given reaction is shown below: CO2(g)+H2O(l)⟶HCO3−(aq)+H+(aq) Given information: K1 = 0.039 s−1…

Q: One form of DNA damage, methylation, destabilizes adenosine residues. At 37 °C, the t1/2 for…

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Q: The activation energy of one of the reactions in a biochemical process is 87 kJ mol−1. What is the…

A: Given information: Activation energy = 87 kJ/mol Initial temperature = 37 ℃ Final temperature = 15 ℃

Q: Suppose that, in the absence of a catalyst, a certain biochemicalreaction occurs x times per second…

A: The Arrhenius equation is given below.

Q: The activation barrier for a reaction is 77.0 kJ/mol. If an enzyme increases the rate of the…

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Q: The enzyme-catalyzed conversion of a substrate at 25°C has Michaelis-Menten constant of 0.035 mol…

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Q: 5. What is the value for the rate constant, k? k = k'/1* = %3D %3D k %3D San = k[OH']*[ C2H3,N,J"…

A: 5) k = k' / [1]x substituting the values of K' and x we have k = 0.1583 / [1]1 = 0.1583 M-1 s-1 k =…

Q: 2.2 Suppose that the following sequence describes the reactions of two different substrates…

A: solution               Find the rate of equation by making the Michaelis - Menten assumption = ?

Q: Suppose that a certain biologically important reactionis quite slow at physiological temperature (37…

A: Arrhenius Equation, k = A.e-Ea/RT Temperature = 37oC = 310 K

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Q: Certain bacteria use the enzyme penicillinase to decom- pose penicillin and render it inactive. The…

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Q: A researcher raises the temperature from 39.4 to 56.2 o C and finds that the rate of the reaction…

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Q: Explain enzyme kinetics including zero-order and first-order kinetics.

A: Answer - Enzyme kinetics - Enzyme kinetics is the study of the rates of enzyme-catalysed chemical…

Q: An enzyme catalyzes a reaction at a rate of 20 micromolar/min.mg when the concentration of substrate…

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Q: The activation barrier for the hydrolysis of sucrose into glucose and fructose is 108 kJ>mol. If…

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Q: Suppose that, in the absence of a catalyst, a certain biochemical reaction occurs x times per second…

A: The Arrhenius equation is given below.

Q: 1.  A liquid medicine having an initial drug concentration of 1000 mg/mL undergoes zero-order…

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