Question

The sequence of genes in lac-operon in E. coli is
(1) promotor gene → operator gene → structural gene
(2) structural gene → promotor gene → operator gene
(3) operator gene → promoter gene → structural gene
(4) structural gene → operator gene → promotor gene

Answer 1

(3)operator gene -promotor gene -structural gene

Answer 2

Answer:(3)operator gene -promotor gene -structural gene