« previous next »

Author Question: __________is a stage of growth in the life cycle of a protozoan and is excreted in the feces. A) ... (Read 28 times)

meagbuch

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

  • Sr. Member
  • ****
  • Posts: 304
Reply #1 on: Aug 20, 2018
Answer to Question 1

B

Answer to Question 2

D


Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
« previous next »
 

Did you know?

Walt Disney helped combat malaria by making an animated film in 1943 called The Winged Scourge. This short film starred the seven dwarfs and taught children that mosquitos transmit malaria, which is a very bad disease. It advocated the killing of mosquitos to stop the disease.

Did you know?

In the United States, congenital cytomegalovirus causes one child to become disabled almost every hour. CMV is the leading preventable viral cause of development disability in newborns. These disabilities include hearing or vision loss, and cerebral palsy.

Did you know?

Approximately 25% of all reported medication errors result from some kind of name confusion.

Did you know?

Everyone has one nostril that is larger than the other.

Did you know?

Human stomach acid is strong enough to dissolve small pieces of metal such as razor blades or staples.

The phosphorus cycle. The phosphorus cycle.
The Cell Cycle The Cell Cycle
Plant cycle Plant cycle
Enterohepatic recirculation of a drug can increase its half-life in the body and prolong its ... Enterohepatic recirculation of a drug can increase its half-life in the body and prolong its ...
The rock cycle and the Earth’s physical environment The rock cycle and the Earth’s physical environment
The protozoan Difflugia. The protozoan Difflugia.
Video: Non-specific disease resistance mechanisms & Skin's defense barriers

For a complete list of videos, visit our video library