can contain f-pilus fimbria can contain f-pilus gram- can contain fimbria gram- bacteria can glycocalyx have binds d-alanine diaminopimelic directly can gram+ gram- can gram gram- resistant bacteria can gram- can gram gram+ resistant bacteria can gram+ bacteria can gram resistant cell consisting nag wall cell consisting nam wall consisting nag nam are either glycocalyx layer slime are capsule either layer slime are capsule either glycocalyx bacteria cell have wall gram+ l-lysine results can cross-bind diaminopimelic l-lysine can cross-bind l-lysine nam can cross-bind diaminopimelic nam acid can fast gram negative resistant acid can fast negative positive acid can fast gram positive resistant capsule related virulence d-alanine l-lysine pentaglycine via diaminopimelic gram- results