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Home Q & A Board Biology-Related Homework Help Cell Biology
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jibbyjam1 jibbyjam1
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6 years ago
The toxicity of a given drug is expressed as the
 
  A. selective toxicity.
  B. biocide index.
  C. biostatic index.
  D. therapeutic index


The antimicrobials produced by some molds and bacteria are generally called
 
  A. insecticides.
  B. biocides.
  C. antiseptics.
  D. antibiotics


Which of the following groups of microorganisms produces antibiotics?
 
  A. Penicillium
  B. Streptomyces
  C. Bacillus
  D. Penicillium AND Streptomyces
  E. All of the choices are correct.


An antibiotic made by microorganisms and modified by chemists is called
 
  A. anti-metabolic.
  B. catabolic.
  C. synthetic.
  D. semi-synthetic.


One of the earliest antimicrobials isolated from a bacterium was
 
  A. penicillin.
  B. ampicillin.
  C. Salvarsan.
  D. streptomycin.
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gsx911gsx911
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6 years ago
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jibbyjam1 Author
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#2
6 years ago
I know this sounds cliche, but I was thinking the same thing for each of these. Thanks for confirming Slight Smile
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