200 Best MCQs on Enzymes and kinetics- biochemical engineering
Top 200 MCQs on Enzymes and Kinetics
This section contains MCQs/ Objective Type Questions of Enzymes and Kinetics for various competetive Exams like HPPSC HPSSC HPSSSB and other exams
Q1). A competitive inhibitor of an enzyme is usually
a).a highly reactive compound
b).a metal ion such as Hg2+ or Pb2+
c).structurally similar to the substrate.
d).water insoluble
Correct Answer:
structurally similar to the substrate.
Explaination:
Q2). Linear inhibition is sometimes called as
a).complete inhibition
b).incomplete inhibtion
c).partial inhibition
d).mixed inhibition
Correct Answer:
complete inhibition
Explaination:
Q3). The types of inhibition pattern based on Michaelis Menten equation are
a).competitive
b).non-competitive
c).uncompetitive
d).all of the above
Correct Answer:
all of the above
Explaination:
Q4). The effect of non-competitive inhibition on a Lineweaver-Burk Plot is that
a).it can move the entire curve to the right
b).it can change the y-intercept
c).it can change the x-intercept
d).all of these
Correct Answer:
it can change the y-intercept
Explaination:
Q5). The rate-determining step of Michaelis Menten kinetics is
a).the complex formation step
b).the complex dissociation step to produce product
c).the product formation step
d).Both (a)and(c)
Correct Answer:
the complex dissociation step to produce product
Explaination:
Q6). In competitive inhibition a factor is obtained from the measurement of
a).Vmax
b).Km
c).Y-intercept in Lineweaver-Burk Plot
d).None of these
Correct Answer:
Km
Explaination:
Q7). Which of these proteases is not a cysteine active site protease?
a).Calpain
b).None of the above
c).Cathepsin D
d).Papain
Correct Answer:
None of the above
Explaination:
Q8). The conformational change in an enzyme after the substrate is bound that allows the chemical reaction to proceed, can be explained by
a).induced fit
b).Pasteur
c).transition
d).fit and fine
Correct Answer:
induced fit
Explaination: