26. Which of the following is NOT a purpose of low temperatures in microbiology?

Question

26. Which of the following is NOT a purpose of low temperatures in microbiology?

a. inhibit microbial growth c. kill microorganisms

b. stop microbial metabolism d. preserve microorganisms

27. Which of the following is NOT a factor affecting the efficacy of a disinfectant?

a. the barometric pressure

b. the presence of blood

c. the presence of endospore-forming bacteria

d. the corrosiveness of the disinfectant

Which of the following organisms is NOT killed by a germicidal agent?

a. bacteria c. fungi

b. virus d. endospore

Influenza contains a ________ genome.

Human papillomavirus contains a ________ genome.

30. The term antibiotic is usually reserved for drugs that target

a. viruses. c. fungi.

b. bacteria. d. protozoa.

Explanation / Answer

Answer:

1) Which of the following is NOT a purpose of low temperatures in microbiology?

a. inhibit microbial growth

b. stop microbial metabolism

c. kill microorganisms - Correct Answer (Low temperature doesnot necessarily kill microorgani

d. preserve microorganisms

2) Which of the following is NOT a factor affecting the efficacy of a disinfectant?

a. the barometric pressure - Correct Answer

b. the presence of blood

c. the presence of endospore-forming bacteria

d. the corrosiveness of the disinfectant

3) Which of the following organisms is NOT killed by a germicidal agent?

a. bacteria

b. virus

c. fungi

d. endospore - Correct Answer

4) Influenza contains a RNA_ genome.

5) Human papillomavirus contains a DNA genome.

6) The term antibiotic is usually reserved for drugs that target

a. viruses.

b. bacteria. - Correct

c. fungi.

d. protozoa.

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