This topic contains a solution. Click here to go to the answer

Author Question: After the addition of reagents for the nitrate test, the tube remains colorless. To determine if the ... (Read 47 times)

Pea0909berry

  • Hero Member
  • *****
  • Posts: 573
After the addition of reagents for the nitrate test, the tube remains colorless. To determine if the organism reduced nitrates to nitrogen gas, you must now add
 
  A) TTC. B) zinc dust.
  C) 10 ferric chloride. D) nothingthe test is complete.

Question 2

Proficiency testing evaluates all of the following except
 
  A) competency of personnel. B) media and reagents in use.
  C) record keeping procedures. D) policies and procedures in use.



Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
Marked as best answer by a Subject Expert

milbourne11

  • Sr. Member
  • ****
  • Posts: 322
Answer to Question 1

B

Answer to Question 2

C





 

Did you know?

Adult head lice are gray, about ? inch long, and often have a tiny dot on their backs. A female can lay between 50 and 150 eggs within the several weeks that she is alive. They feed on human blood.

Did you know?

Illicit drug use costs the United States approximately $181 billion every year.

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.

Did you know?

Between 1999 and 2012, American adults with high total cholesterol decreased from 18.3% to 12.9%

Did you know?

Most fungi that pathogenically affect humans live in soil. If a person is not healthy, has an open wound, or is immunocompromised, a fungal infection can be very aggressive.

For a complete list of videos, visit our video library