Gram+ bacteria cell wall includes outer membrane;
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Gram- bacteria contain lipid A in the cell wall.
A. 对
B. 错
The cell wall of Gram+ bacteria is built up by __________ and __________;
A. peptidoglycan
B. LPS
C. teichoic acid
D. outer membrane
Polysaccharide backbone is linked by two molecules; ______ and ________ alternately.
A. NAG
B. DAP
C. LPS
D. NAM
LPS is composed of the following elements
A. Lipid A
B. core polysaccharide
C. teichoic acid
D. specific polysaccharide
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