Author Question: __________is a stage of growth in the life cycle of a protozoan and is excreted in the feces. A) ... (Read 69 times)

meagbuch

  • Hero Member
  • *****
  • Posts: 568
__________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

  • Sr. Member
  • ****
  • Posts: 304
Answer to Question 1

B

Answer to Question 2

D



Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
 

Did you know?

The effects of organophosphate poisoning are referred to by using the abbreviations “SLUD” or “SLUDGE,” It stands for: salivation, lacrimation, urination, defecation, GI upset, and emesis.

Did you know?

The most destructive flu epidemic of all times in recorded history occurred in 1918, with approximately 20 million deaths worldwide.

Did you know?

About 3.2 billion people, nearly half the world population, are at risk for malaria. In 2015, there are about 214 million malaria cases and an estimated 438,000 malaria deaths.

Did you know?

When intravenous medications are involved in adverse drug events, their harmful effects may occur more rapidly, and be more severe than errors with oral medications. This is due to the direct administration into the bloodstream.

Did you know?

A cataract is a clouding of the eyes' natural lens. As we age, some clouding of the lens may occur. The first sign of a cataract is usually blurry vision. Although glasses and other visual aids may at first help a person with cataracts, surgery may become inevitable. Cataract surgery is very successful in restoring vision, and it is the most frequently performed surgery in the United States.

For a complete list of videos, visit our video library