Exam 2 graph too

1. These microbes are likely found in a vent at pH 1.5

   • Acidophile

2. These microbes are likely found in a hot tub at 39°C

   • Thermophile

3. These microbes are likely found living in salt marshes

   • Halotolerant

4. Used by bacteria to determine the density of the population

   • Quorum sensing

5. The complete removal or killing of all vegetative cells, endospores, and viruses from a targeted item or environment

   • Sterilization

6. These are likely found from Lake Natron, where the water pH is close to 10

   • Alkaliphiles

7. These are likely found in a soup container forgotten in the refrigerator and shows contamination

   • Psychrotroph

8. Antimicrobial chemicals safe for use on living skin or tissues

   • Antiseptics

9. This method of microbial control sterilizes microbiological media

   • Autoclave

10. The inactivation of most microbes on the surface of a fomite by using heat or antimicrobial chemicals

• Disinfection

11. This method of microbial control is used to prevent spoilage of milk, apple juice, and honey

• Pasteurization

24. Toxic gaseous sterilant

• C. Ethylene oxide

25. Easily contaminated by Pseudomonas bacteria

• D. Phenol

26. Can be a sterilant, a disinfectant, and an antiseptic

• A. Bleach

27. The first disinfectant used in operating rooms

• A. Bleach

28. A low-level germicide

• B. Detergents

29. Inhibits bacterial growth

• A. Bacteriostatic agent

30. Kills bacteria

• B. Bacteriocidal agent

Which one in each pair is easier to destroy?

31. A. Endospores or B. Protozoan cysts

• B. Protozoan cysts

  32.A. Naked viruses or B. Enveloped viruses

• B. Enveloped viruses

  33. A. Gram-positive bacteria or B. Gram-negative bacteria

• B. Gram-negative bacteria

34. A. Mycobacteria or B. Endospores

• B. Endospores

35. A. Gram-positive bacteria or B. Enveloped viruses

• B. Enveloped viruses