The enzyme that breaks $H_2$ bonds in $DNA$ is
Helicase
Topoisomerase
Ligase
Polymerase
Mark the incorrect option w.r.t. lac operon
Total number of autosomes in fertilized egg of man is
The frequency of a mutant gene in a population is expected to increase, if the gene is
During infection of $\mathrm{E}$. coli cells by bacteriophage $T2$,
The males of grasshoppers and moths posses two sets of autosomes and