Normal biota of the upper respiratory tract include

Which if the following microbe is prokaryotic cell:

The term facultative refers to

Which of the following is not true of Ebola

Which of the following is the Counterstain in gram staining:

Control of rodent populations is important for preventing

The scientist usually considered the first to see microorganisms, which he called “animalcules”, was

Peptidoglycan is a unique macromolecule found in

Permanent cardiovascular and neurological damage is seen in which stage of syphilis?

An organism that can exist in both oxygen and oxygen-less environments is a(n)