Biochemistry Enzyme Kinetics Approach Understanding Mechanism Online Exam Quiz
Biochemistry Enzyme Kinetics Approach Understanding Mechanism GK Quiz. Question and Answers related to Biochemistry Enzyme Kinetics Approach Understanding Mechanism. MCQ (Multiple Choice Questions with answers about Biochemistry Enzyme Kinetics Approach Understanding Mechanism
Which of the following is the correct Line weaver-Burk equation?
Options
A : frac{1}{V_0} = frac{K_m}{V_{max} [S]} + frac{1}{V_{max}}
B : frac{1}{V_{max}} = frac{K_m}{V_0 [S]} + frac{1}{V_0}
C : V_0 = frac{V_{max} [S]}{K_m+[S]}
D : V_{max} = frac{V_0? [S]}{K_m+[S]}
Where does inhibitor binds on enzyme in mixed inhibition?
Options
A : At active site
B : Allosteric site
C : Does not bind on enzyme
D : Binds on substrate
Which of the following is an example of reversible inhibitor?
Options
A : DIPF
B : Penicillin
C : Iodoacetamide
D : Protease inhibitors
Which of the following is an example for irreversible inhibitor?
Options
A : Disulfiram
B : Oseltamivir
C : Protease inhibitors
D : DIPF
When the velocity of enzyme activity is plotted against substrate concentration, which of the following is obtained?
Options
A : Hyperbolic curve
B : Parabola
C : Straight line with positive slope
D : Straight line with negative slope
What is the general mechanism of an enzyme?
Options
A : It acts by reducing the activation energy
B : It acts by increasing the activation energy
C : It acts by decreasing the pH
D : It acts by increasing the pH
The catalytic efficiency of two distinct enzymes can be compared based on which of the following factor?
Options
A : Km
B : Product formation
C : Size of the enzymes
D : pH of optimum value
Which of the following is true about Michaelis-Menten kinetics?
Options
A : Km, the Michaelis constant, is defined as that concentration of substrate at which enzyme is working at maximum velocity
B : It describes single substrate enzymes
C : Km, the Michaelis constant is defined as the dissociation constant of the enzyme-substrate complex
D : It assumes covalent binding occurs between enzyme and substrate
The molecule which acts directly on an enzyme to lower its catalytic rate is __________
Options
A : Repressor
B : Inhibitor
C : Modulator
D : Regulator
The rate determining step of Michaelis-Menten kinetics is __________
Options
A : The complex dissociation step to produce products
B : The complex formation step
C : The product formation step
D : None of the mentioned
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