According to Bradley and Carr,the nitrogen fixation takes place in

What type of nutrition is exhibited by organisms of the Kingdom Monera?

The cell wall of $Nostoc$ is made up of:

Which of the following prokaryotes lacks a cell wall?

Most living organisms cannot survive at temperatures above $45\,^{\circ}C$. How are some microbes able to live in habitats with temperatures exceeding $100\,^{\circ}C$?

The tendency of abortion in women is caused by