MCQ on Bacterial Genetics

In E. coli, gal+ and bio+ genes are located very near to each other on the genome. A bacterium with F’ gal+ on conjugation with F‐ will lead to diploid condition for:

A bacterial operon contains three structural genes A, B and C in the same order. If a polar mutation occurs in gene B, then the effect in protein would be observed in:

In E. coli, the complementation test is done on:

The production of a wild-type phenotype in bacteria when two different mutations are combined in a diploid is called:

Bacteria divide by:

Among the following, which activity is absent in bacterial DNA polymerase-I?

During the termination process of translation, the Release Factor – 1 (RF-1) of bacteria recognize which of the following stop codons?

E. coli, the lac operon is a:

Inhibitor of RNA polymerase during elongation of transcription in both prokaryotes and eukaryotes is:

Under which condition, the recombination between genes will occur during conjugation?

The percentage of the protein coding sequence in E. coli genome is:

The F^+ segment of bacteria may be transferred to F^- bacteria by the process of:

If bacterial genome and plasmid are allowed to replicate in the same manner then:

‘One gene - one enzyme’ relationship was established for the first time in:

Who introduced the group Archaea for a group of prokaryotes on the basis of phylogenetic analysis of 16S rRNA?