alleryStart learning →Which feature is found only in Gram-negative bacteria?
AA second outer lipid membrane
BTeichoic acids in the wall
CA thick peptidoglycan coat
DEndospore formation inside
Answer & Solution
Correct answer: A. A second outer lipid membrane
Gram-negative cells have a thin peptidoglycan layer surrounded by a second lipid membrane carrying lipopolysaccharides.
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