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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 presence of specific ________ signals that a given water source might be contaminated with pathogens.
 
  A) exotoxins
  B) chemical compounds
  C) endotoxins
  D) indicator microorganisms


In the United States, individuals become infected with Vibrio cholerae most commonly by
 
  A) consuming contaminated shellfish.
  B) drinking contaminated water.
  C) eating contaminated vegetables.
  D) person-to-person contact.


The MOST common route of transmission of Salmonella typhi worldwide is through
 
  A) contaminated food.
  B) contaminated water.
  C) direct contact.
  D) insect vectors.


Which items are MOST routinely irradiated in the United States?
 
  A) fresh fruits
  B) fish
  C) canned foods
  D) herbs and spices


In the developed countries of the world, MOST intestinal infections are transmitted via
 
  A) water.
  B) person-to-person contact.
  C) food.
  D) hospital contamination.
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JodiLoveJodiLove
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6 years ago
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zc323 Author
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#2
6 years ago
Thank you soooo very much, was really helpful and kind of you to answer my q's
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