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Home Q & A Board Biology-Related Homework Help Cell Biology
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zc323 zc323
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6 years ago
The term axenic is used to describe a(n)
 
  A) anaerobic culture.
  B) anoxygenic culture.
  C) nutritionally deficient culture.
  D) pure culture.


Which fluorescent molecule enables visualization of living microorganisms?
 
  A) acridine orange
  B) DAPI
  C) GFP
  D) SYBR  Green


In an agar dilution tube, microbial colonies grow
 
  A) at the bottom of the tube.
  B) on the sides of the tube, although some may be at the surface.
  C) embedded in the agar, rather than growing on the surface.
  D) on the surface, but some creep down the sides away from the surface.


Winogradsky columns are used primarily for enrichment of
 
  A) aerobic cultures, although occasionally anaerobes do appear.
  B) anaerobic cultures, although occasionally aerobes do appear.
  C) aerobes, anaerobes, and phototrophs.
  D) phototrophs, although occasionally heterotrophs do appear.


The term used when an organism is studied in its natural environment is
 
  A) au naturale.
  B) in vitro.
  C) in situ.
  D) in toto.
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Rae-RaeRae-Rae
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6 years ago
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zc323 Author
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6 years ago
I hope they're paying you for this Grinning Face with Smiling Eyes
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