Q.

What is the function of product of lac-z gene of lac operon?

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a

Formation of allolactose

b

Increase in cell permeability

c

Hydrolysis of lactose

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.

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