题目内容

Which one is not the component of peptidoglycan of Gram positive bacterium

A. Tetapeptide side chain
B. pentapeptide cross bridge
C. bisaccharide backbone
D. lipopolysaccharide

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About structure of peptidoglycan, which two molecules are linked alternately to make long bisaccharide chain?

A. NAM+NAG
B. NAM+DAP
C. DAP+NAG
DAP+LPS

Which one is the right order of the tetrapeptide side chain in peptidoglycan of Gram negative cell wall?

A. ala-glu-ala-DAP
B. DAP-ala-glu-ala
C. ala-glu-DAP-ala
D. ala-ala-glu-DAP

The important part of lipopolysaccharide in outer membrane can act as endotoxin:

A. lipid A
B. specific polysaccharide
C. core polysaccharide
D. all three parts

Which part of lipopolysaccharide in Gram negative cell wall is applied to determine the biotype of gram bacterium?

A. lipid A
B. specific polysaccharide
C. core polysaccharide
D. outer protein