200 Best MCQs on Enzymes and kinetics- biochemical engineering
Q25). An allosteric inhibitor of an enzyme usually
a).participates in feedback regulation
b).denatures the enzyme
c).is a hydrophobic compound
d).causes the enzyme to work faster
Correct Answer:
participates in feedback regulation
Explaination:
Q26). Which of the following activity is possible by transferases?
a).Transfer of methyl groups
b).Transfer of glycosyl group
c).Both (a) and (b)
d).None of these
Correct Answer:
Both (a) and (b)
Explaination:
Q27). A classical uncompetitive inhibitor is a compound that binds
a).reversibly to the enzyme substrate complex yielding an inactive ESI complex
b).irreversibly to the enzyme substrate complex yielding an inactive ESI complex
c).reversibly to the enzyme substrate complex yielding an active ESI complex
d).irreversibly to the enzyme substrate complex yielding an active ESI complex
Correct Answer:
reversibly to the enzyme substrate complex yielding an inactive ESI complex
Explaination:
Q28). Which graphical method is used to determine an enzyme degree of cooperativity?
a).Hill plot
b).Koshland curve
c).Michaelis-Menten hyperbola
d).Can not be determined
Correct Answer:
Hill plot
Explaination: