Questions
Which is a constitutive gene in lac-operon?
a
lac i
b
lac z
c
lac a
d
lac y
detailed solution
Correct option is A
lac i is constitutieve gene as it is continuously expressed and not regulated. It is regulator gene. lac z, y and a are regulated structural genes.Talk to our academic expert!
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Number of regulatory and structural genes present in lac operon are
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