What is the function of product of lac-z gene of lac operon?
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a
Hydrolysis of lactose
b
Formation of allolactose
c
Increase in permeability
d
Both A and B
answer is D.
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Detailed Solution
lac z gene can hydrolyse lactose as glucose and galactose and can also convert the lactose as allolactose. i.e. can act as hydrolase as well as isomerase.