TEST BANK Microbiology An Evolving Science, 5th Edition, John Foster & Joan Slonczewski, All Chapter 1-28

TEST BANK

Microbiology An Evolving Science, 5th Edition,
John Foster & Joan Slonczewski, All Chapter 1 - 28

,
,CHAPTER 1: Microbial Life: Origin and Discovery
VD VD VD VD VD VD




MULTIPLE CHOICE
VD




1. Viruses are: VD




a. infectious agents that infect multi-cellular organisms VD VD VD VD VD




b. noncellular particles that take over the metabolism of a cell to generate more virusparti
VD VD VD VD VD VD VD VD VD VD VD VD VD V
D




cles
c. pathogens that replicate in complex growth media VD VD VD VD VD VD




d. cellular particles that belong to the archaea domain VD VD VD VD VD VD VD




e. microbes that consist of lipid membrane enclosed genomes VD VD VD VD VD VD VD




ANS: B VDIF: D Easy REF: 1.1 VDVDV D TOP: I.A | I.B
V D VD VD




MSC: RememberingV D




2. Analysis of DNA sequences reveals: VD VD VD VD




a. the ancient convergence of two cell types, i.e., prokaryotes and eukaryotes
VD VD VD VD VD VD VD VD VD VD




b. prokaryotes and eukaryotes evolved from a common ancestral cell VD VD VD VD VD VD VD VD




c. that bacteria share common ancestor with archaea, but not with eukarya
VD VD VD VD VD VD VD VD VD VD




d. prokaryotes are cells with a nucleus VD VD VD VD VD




e. the genome of Haemophilus influenzae has about 2 billion base pairs
VD VD VD VD VD VD VD VD VD VD




ANS: B VDIF: D Easy REF: 1.1 VDVDV D TOP: I.A | I.B
V D VD VD




MSC: RememberingV D




3. Which of these groups are considered to be microbes but NOT considered to be cells?
VD VD VD VD VD VD VD VD VD VD VD VD VD VD




a. viruses d. protists
b. bacteria e. filamentous fungi VD




c. archaea
ANS: A VDIF: D Easy REF: 1.1 VDVDV D TOP: I.A.i
V D




MSC: RememberingV D




4. A microbe is commonly defined as:
VD VD VD VD VD




a. a virus that requires a microscope to be seen
VD VD VD VD VD VD VD VD




b. a bacterium that requires a microscope to be seen
VD VD VD VD VD VD VD VD




c. a single-cellular prokaryote that requires a microscope to be seen
VD VD VD VD VD VD VD VD VD




d. a multicellular eukaryote that requires a microscope to be seen
VD VD VD VD VD VD VD VD VD




e. a living organism that requires a microscope to be seen
VD VD VD VD VD VD VD VD VD




ANS: E VDIF: D Easy REF: 1.1 VDVDV D TOP: I.A.i | I.A.ii
V D VD VD




MSC: RememberingV D




5. Which one of the following statements regarding microbial cells is NOT true?
VD VD VD VD VD VD VD VD VD VD VD




a. Microbial cells acquire food, gain energy to build themselves, and respond to
VD VD VD VD VD VD VD VD VD VD VD




environmental change. VD

, b. Most single-celled organisms require a microscope to render them visible, but some
VD VD VD VD VD VD VD VD VD VD VD




bacterial cells are large enough to be seen with naked eyes.
VD VD VD VD VD VD VD VD VD VD




c. Microbes function as individual entities. VD VD VD VD




d. Many microbes form complex multicellular assemblages.
VD VD VD VD VD




e. Viruses are not considered as microbial cells.
VD VD VD VD VD VD




ANS: C V DIF: D Easy REF: 1.1 VDVDV D TOP: I.A.i | I.A.ii V D VD VD




MSC: Remembering
V D




6. Which of the following statements is FALSE?
VD VD VD VD VD VD




a. A genome is the total genetic information contained in an organism’s chromosomal DNA.
VD VD VD VD VD VD VD VD VD VD VD VD




b. If a microbe’s genome includes genes for nitrogenase, that microbe probably can fixnitrogen.
VD VD VD VD VD VD VD VD VD VD VD VD V
D




c. By comparing DNA sequences of different organisms, we can figure out how closely
VD VD VD VD VD VD VD VD VD VD VD VD




related they are. VD VD




d. Fred Sanger developed the first applicable DNA sequencing method.
VD VD VD VD VD VD VD VD




e. Fred Sanger completed the sequences of Haemophilus influenzae.
VD VD VD VD VD VD VD




ANS: E V DIF: D Easy REF: 1.1 VDVDV D TOP: I.B V D




MSC: Remembering
V D




7. The first cellular genomes to be sequenced were those of:
VD VD VD VD VD VD VD VD VD




a. humans d. prions
b. bacteria e. fungi
c. viruses
ANS: B V DIF: D Easy REF: 1.1 VDVDV D TOP: I.B.i V D




MSC: Remembering
V D




8. The environment of early Earth may have contained all of the following EXCEPT:
VD VD VD VD VD VD VD VD VD VD VD VD




a. ferrous iron VD d. oxygen
b. methane e. hydrogen gas VD




c. ammonia
ANS: D V D DIF: Easy
REF: Special Topic 1.1TOP:
VD VD VD V
D V D II.D
MSC: Remembering V D




9. The development of the theory of the ―RNA world‖ resulted from the discovery of:
VD VD VD VD VD VD VD VD VD VD VD VD VD




a. archaea d. ribozymes
b. prions e. endosymbionts
c. bacteria
ANS: D V D DIF: Medium
REF: Special Topic 1.1TOP:
VD VD VD V
D V D II.D
MSC: Remembering V D




10. Which microbes may resemble those of the earliest life forms?
VD VD VD VD VD VD VD VD VD




a. archaea d. cyanobacteria
b. photosynthetic algae e. protists VD




c. viruses
ANS: A V D DIF: Medium
REF: Special Topic 1.1TOP:
VD VD VD V
D V D II.D
MSC: Remembering V D




11. Early metabolism may have been catalyzed by:
VD VD VD VD VD VD




a. DNA d. amino acids VD




b. RNA e. carbohydrates