Skip to content

Menu

Game modes

Account

← Microbiology
GK QUESTION#3922

Which bacteria have a thick cell wall with several layers of peptidoglycan and teichoic acid?

  1. AStaphylococcus aureusCorrect answer
  2. BPseudomonas aeruginosa
  3. CSalmonella enterica
  4. DEscherichia coli
Show AnswerHide Answer

Answer

A. Staphylococcus aureus

Show ExplanationHide Explanation

Explanation

Staphylococcus aureus is Gram-positive and has a thick peptidoglycan wall with teichoic acids. The other listed species are Gram-negative and have a thinner peptidoglycan layer plus an outer membrane.

Sign in to report a question issue