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Author Question: __________is a stage of growth in the life cycle of a protozoan and is excreted in the feces. A) ... (Read 80 times)

meagbuch

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on: Aug 20, 2018
__________is a stage of growth in the life cycle of a protozoan and is excreted in the feces.
 A) Pupa
  B) Cyst
  C) A Bud
  D) A Spore

Question 2

Which of the following is a characteristic of preformed toxins?
 A) They cannot inactivated by heating over 140F.
  B) They do not cause any gastrointestinal tract infections.
  C) They are produced after the contaminated food has been ingested.
  D) They cause rapid reactions occurring in 1 to 6 hours.


dudman123

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Reply #1 on: Aug 20, 2018
Answer to Question 1

B

Answer to Question 2

D


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