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Test Bank for Microbiology An Evolving Science, 3rd Edition, John Foster & Joan Slonczewski - All Chapters (1-28) Latest 2024 A+
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Test Bank for Microbiology An Evolving Science, 3rd Edition, John Foster & Joan Slonczewski - All Chapters (1-28) Latest 2024

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  • September 21, 2024
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Test Bank for Microbiology An Evolving Science, 3rd Edition, John
Foster & Joan Slonczewski - All Chapters (1-28) Latest 2024

CHAPTER 1: Microbial Life: Origin and Discovery

MULTIPLE CHOICE

1. Viruses are:
a. infectious agents that infect multicellular organisms
b. noncellular particles that take over the metabolism of a cell to generate more virus particles
c. pathogens that replicate in complex growth media
d. cellular particles that belong to the archaea domain
e. microbes that consist of lipid membrane enclosed genomes

ANS: B DIF: Easy
REF: 1.1 TOP: I.A | I.B
MSC: Remembering

2. Analysis of DNA sequences reveals:
a. the ancient convergence of two cell types, i.e., prokaryotes and eukaryotes
b. prokaryotes and eukaryotes evolved from a common ancestral cell
c. that bacteria share common ancestor with archaea, but not with eukarya
d. prokaryotes are cells with a nucleus
e. the genome of Haemophilus influenzae has about 2 billion base pairs

ANS: B DIF: Easy
REF: 1.1 TOP: I.A | I.B
MSC: Remembering

3. Which of these groups are considered to be microbes but NOT considered to be cells?
a. viruses
b. bacteria
c. archaea
d. protists
e. filamentous fungi




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ANS: A DIF: Easy
REF: 1.1 TOP: I.A.i
MSC: Remembering

4. A microbe is commonly defined as:
a. a virus that requires a microscope to be seen
b. a bacterium that requires a microscope to be seen
c. a single-cellular prokaryote that requires a microscope to be seen
d. a multicellular eukaryote that requires a microscope to be seen
e. a living organism that requires a microscope to be seen

ANS: E DIF: Easy
REF: 1.1 TOP: I.A.i | I.A.ii
MSC: Remembering

5. Which one of the following statements regarding microbial cells is NOT true?
a. Microbial cells acquire food, gain energy to build themselves, and respond to environmental
change
b. Most single-celled organisms require a microscope to render them visible, but some bacterial
cells are large enough to be seen with naked eyes.
c. Microbes function as individual entities.
d. Many microbes form complex multicellular assemblages.
e. Viruses are not considered as microbial cells.

ANS: C DIF: Easy
REF: 1.1 TOP: I.A.i | I.A.ii
MSC: Remembering

6. Which of the following statements is FALSE?
a. A genome is the total genetic information contained in an organism’s chromosomal DNA.
b. If a microbe’s genome includes genes for nitrogenase, that microbe probably can fix nitrogen.
c. By comparing DNA sequences of different organisms, we can figure out how closely related
they are.
d. Fred Sanger developed the first applicable DNA sequencing method. e. Fred Sanger
completed the sequences of Haemophilus influenzae.

ANS: E DIF: Easy
REF: 1.1 TOP: I.B



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MSC: Remembering

7. The first cellular genomes to be sequenced were those of:
a. humans
b. bacteria
c. viruses
d. prions
e. fungi

ANS: B DIF: Easy
REF: 1.1 TOP: I.B.i
MSC: Remembering

8. The environment of early Earth may have contained all of the following EXCEPT:
a. ferrous iron
b. methane
c. ammonia
d. oxygen
e. hydrogen gas

ANS: D DIF: Easy
REF: Special Topic 1.1 TOP: II.D
MSC: Remembering

9. The development of the theory of the ―RNA world‖ resulted from the discovery of:
a. archaea
b. prions
c. bacteria
d. ribozymes
e. endosymbionts

ANS: D DIF: Medium
REF: Special Topic 1.1 TOP: II.D
MSC: Remembering

10. Which microbes may resemble those of the earliest life forms?
a. archaea
b. photosynthetic algae



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c. viruses
d. cyanobacteria
e. protists

ANS: A DIF: Medium
REF: Special Topic 1.1 TOP: II.D
MSC: Remembering

11. Early metabolism may have been catalyzed by:
a. DNA
b. RNA
c. protein
d. amino acids
e. Carbohydrates

ANS: B DIF: Medium
REF: Special Topic 1.1 TOP: II.D
MSC: Remembering

12. Which of the following diseases accounts for more than half of all human mortality?
a. cardiovascular disease
b. cancer
c. accidents
d. microbial disease
e. strokes

ANS: D DIF: Easy
REF: 1.2 TOP: II.A
MSC: Remembering

13. Which century is known as the golden age of microbiology?
a. the seventeenth
b. the eighteenth
c. the nineteenth
d. the twentieth
e. the twenty-first

ANS: C DIF: Easy



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