Gram-positive bacteria have ____ and appear ____ under the microscope.
A) thick walls; pink
B) thick walls; purple
C) thin walls; pink
D) thin walls; purple
E) none of these

Question

Quizplus · Accepted Answer

Gram-positive bacteria have thick cell walls that contain a lot of peptidoglycan, which retains the crystal violet stain used in Gram staining. This causes them to appear purple under the microscope.

Gram-Positive Bacteria Have ____ and Appear ____ Under the Microscope

Gram-Positive Bacteria Have and Appear Under the Microscope