Question

since negative gram bacteria has peptidoglycan. Does it means negative gram bacteria also has N acetylglucosamine and Teichoic acid?

Answer 1

Gram negative bacteria strains consists of 10% of peptidoglycan. As the peptidoglycan layer is a crystal lattice structure formed from the linear chains of two alternating amino sugars, namely N-acetylglucosamine and N-acetylmuramic acid.

Hence, there is the presence of N-acetylglucisamine.

On the other hand Teichoic acid is found in the cells of most gram positive bacterias whereas its absent in the cells of gram negative bacterias.

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