Which statement is accurate about gram-positive stain result? Select all that apply.
A) The bacterial cell envelope is a thick layer of murein.
B) Under the microscope the bacterial organism has a purple color.
C) The viral cell envelope is a thin layer of murein.
D) The viral organism has a light pink color when viewed microscopically.
E) The test is designed to identify the stain result in both bacteria and viruses.

Question

Quizplus · Accepted Answer

Gram-positive bacteria have a thick layer of murein (peptidoglycan) and appear purple under a microscope after Gram staining. The test is not applicable to viruses, which do not have cell walls.

Which Statement Is Accurate About Gram-Positive Stain Result? Select All