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Hi.
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So the question is which of the following are associated with the cell wall of gram negative bacteria? so we will be talking about gram negative bacteria and option number one is tecoic acids.
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See tecoic acids are a characteristics of gram positive bacteria, not gram negative bacteria.
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And these are found in gram positive and gram negative bacteria, they lack tecoic acids.
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So tecoic acids are not found in gram -negative bacteria.
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Next is n -acetyl glucose amine.
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N -acetyl glucose amine are the monomers for glycan, which is a, you know, monomer.
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This is also a monomer of peptide -to -glicin, and peptide to -glicin is found in both gram -positive and gram -negative.
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Next is di -amino -pimilic acid.
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It is an amino -acid representing an epsilon carboxy derivative of lysine, and di -amino -piamic acid, or dap is a characteristic of gram negative bacteria...