解释 lipopolysaccharide,LPS

Which of the following components can be recognized by phages as receptors for Escherichia coli? (). A: Lipopolysaccharide B: Peptidoglycan C: Flagellum D: Pili

Which structure can help bacterium to settle down in host ( ) A: metachromatic granules B: spore C: lipopolysaccharide D: pilus

L型细菌（）。 A: B: outErmEmBrAnE C: D: lipopolysACChAriDE—LPs E: F: LformEDBACtEriA G: H: CEllmEmBrAnE I: J: nuClEArmAtEriAl

Which<br/>of the following components can be recognized by phages as receptors<br/>for Escherichia coli?()(、C、D)。 A: lipopolysaccharide B: peptidoglycan C: flagella D: fimbriae