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Peptidoglycan Synthesis and Cell Division

Simplified sc hematic of a cell wall in a Gram-positive bacteria
Cross-linking between amino acids in different linear amino sugar chains occurs with the help of the enzyme transpeptidase and results in a 3-dimensional structure that is strong and rigid.
Source
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"Gram-positive cellwall-schematic."
http://en.wikipedia.org/wiki/File:Gram-positive_cellwall-schematic.png
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