The special component of Gram-negative bacteria cell wall is ()
A. Peptidoglycan
B. Phosphate acid
C. Outer membranes
D. Lipid double layer
E. Lipopolysaccharide
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Which one of following is true about the spores are right ()
A. generally in the body outside the formation of spores
B. is a special form of bacteria to maintain life
C. the formation of spores of bacteria are G + bacteria
D. spores once polluted the environment, can cause disinfection and sterilization difficulties
E. all of above
The bacterial structure associated with endotoxin is ()
A. outer membrane
B. nuclear membrane
C. mitochondrial membrane
D. capsule
E. cell membrane
In the growth of bacteria, the most typical phase of the biological characteristics is ()
A. lag phase
B. Logarithmic phase
C. stationary phase
D. decline phase
E. Recession period
Plasmid between bacteria is mainly transfered by ()
A. Conjugation
B. Transduction
C. Transformation
D. Mutation
E. Lysogenetic Transformation
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