In lac- opeon if mutation occurs in the middle gene of the 'structural gene' then

In lac operon if mutation occurs in the middle gene of the 'structural gene' then

In Lac-Operon if mutation occurs in the middle gene of the 'structural gene then:

Gene mutations occurs in

Gene mutation is :

Gene mutation is :

The sequence of structural genes in lac operon is

The sequence of structural genes in lac operon is

Sequence of structural genes of lac operon is

Which of following statement is true for lac operon in E-coli (a) lac operon consists of one regulatory gene and five structural gene. (b) The i gene codes for inducer (c) The z-gene codes for beta -galacosidase (d) A very low level of expression of lac operon has to be present in cell all the time