During which phase of growth are bacteria most susceptible to antibiotics?

During which phase of growth are bacteria most susceptible to antibiotics?
 
  A.
  Lag
 
  B.
  Stationary
 
  C.
  Exponential (log)
 
  D.
  Decline

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Bacteria may be stored
 
  A. on a slant in the refrigerator.
  B. frozen in glycerol solution.
  C.
  freeze-dried.
 
  D. in broth at 37C.
  E.
  on a slant in the refrigerator, frozen in glycerol solution, AND freeze-dried.

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. In the growth curve of a bacteria population, the bacteria are rapidly increasing in number in the
 
  A. lag phase.
  B. exponential (log) phase.
  C. stationary phase.
  D. decline phase.
  E. boomer phase.

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Biofilms
 
  A. are a haphazard mixture of bacteria.
  B. are a polysaccharide-encased community of microorganisms.
  C. may enhance bioremediation efforts.
  D. may protect organisms against harmful chemicals.
  E.
  are a polysaccharide-encased community of microorganisms, may enhance bioremediation efforts, AND may protect organisms against harmful chemicals.

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The simplest technique for isolating bacteria in growth media is referred to as the
 
  A.
  pour-plate method.
 
  B.
  streak-plate method.
 
  C. serial dilution method.
  D. MPN method.