GK QUESTION#3922
Which bacteria have a thick cell wall with several layers of peptidoglycan and teichoic acid?
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Answer
A. Staphylococcus aureus
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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.