$Nostoc$ is characteristic in having

Which of the following are considered intermediate between viruses and bacteria?

The cyanobacteria are also referred to as

In bacteria,plasmids are ............... .

The current classification of organisms is into three domains of life ($Bacteria$,$Archaea$,and $Eukarya$). Which of the following statements is true for $Archaea$?

$Vibrio$ $cholerae$ is a motile bacterium belonging to which group based on flagellar arrangement?