Who introduced the three-domain system that divided prokaryotes into Bacteria and Archaea in 1977?
Which of the following is a unifying feature of Archaea that distinguishes them from Eubacteria?
Which group of archaea is known for living in highly salty environments?
What is the primary method of asexual reproduction in bacteria?
Which of the following is a key feature of Gram-positive bacteria?
Which of the following is a survival strategy used by some bacteria to endure extreme conditions like high heat and desiccation?
In cyanobacteria, which specialized cells are responsible for nitrogen fixation?
Which type of genetic recombination in bacteria involves the transfer of DNA by a bacteriophage?
Which of the following is a physical method used to control harmful bacteria by killing all life forms on surgical instruments?
What is the term for the normal bacteria that are permanent residents of certain body parts, such as the skin and colon?
