A microbiologist gram stains a bacterium and finds the bacterium to be pink to red in color,this identifies:

Question

Quizplus · Accepted Answer

Pink to red color in Gram staining indicates the presence of a thin peptidoglycan layer and an outer membrane, which is typical of Gram-negative bacteria. Therefore, the best choice is D, identifying the bacterium as Gram-negative. The other options cannot be determined from the Gram staining alone.

A Microbiologist Gram Stains a Bacterium and Finds the Bacterium