The existence of the process of transformation in cyanobacteria has been experimentally established by

What is the genetic material of cyanobacteria known as?

Magnesium ribonucleate is present in

Gas vacuoles are found in which of the following?

The body organization of blue-green algae differs from other algae because...

In the bacterium $Bacillus$ $subtilis$,the cells often become attached from end to end forming long filamentous chains,which are embedded in a mass of mucilage forming a scum layer on the substratum. This is called: