题目内容

Which molecule mutated or decreased at level will develop drug-resistance?

A. peptidoglycan,
B. hemolysin
C. Protein porin channels in outer membrane
D. M protein in the cell wall.

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Which mutation in the gene for the following molecule may not be responsible for antibiotics-resistance ?

A. β-unit of RNA polymerase,
B. lipoprotein
C. P12 of 30S subunit of ribosome
D. Protein porin channels in outer membrane .

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Which statements are associated with drug resistance?

A. The bacteria grow in the presence of a drug that can kill it.

B. Therapeutic concentration of the drug is lower than its MIC;

C. Therapeutic concentration of the drug is higher than its MIC;

D. No inhibition zone is found around the drug paper disk on diffusion susceptibility

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#includemain(){int a=-1,b=4,k;k=(a<=0)&&(!(b<=0));printf("%d",k);}运行结果为:

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#includemain(){int a=12,b=-34,c=56,min=0;min=a;if(min>b) min=b;if(min>c) min=c;printf("min=%d",min);}输出结果为:

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Which molecule mutated or decreased at level will develop drug-resistance?

A. peptidoglycan, B. hemolysin C. Protein porin channels in outer membrane D. M protein in the cell wall.

Which mutation in the gene for the following molecule may not be responsible for antibiotics-resistance ?

Which statements are associated with drug resistance?

#includemain(){int a=-1,b=4,k;k=(a<=0)&&(!(b<=0));printf("%d",k);}运行结果为:

#includemain(){int a=12,b=-34,c=56,min=0;min=a;if(min>b) min=b;if(min>c) min=c;printf("min=%d",min);}输出结果为:

A. peptidoglycan,
B. hemolysin
C. Protein porin channels in outer membrane
D. M protein in the cell wall.