Edition,
John Foster & Joan Slonczewski, All Chapter 1 -
28
,TEST BANK
,
, CHAPTER 1: Microbial Life: Origin and Discovery
cf cf cf cf cf cf
MULTIPLE CHOICE
cf
1. Viruses are: cf
a. infectious agents that infect multi-cellular organisms cf cf cf cf cf
b. noncellular particles that take over the metabolism of a cell to generate mor
cf cf cf cf cf cf cf cf cf cf cf cf
e virusparticles
cf fc
c. pathogens that replicate in complex growth media cf cf cf cf cf cf
d. cellular particles that belong to the archaea domain
cf cf cf cf cf cf cf
e. microbes that consist of lipid membrane enclosed genomes cf cf cf cf cf cf cf
ANS: B c DIF:
f Easy REF: 1.1 cfcfcf TOP: I.A | I.B c f cf cf
MSC: Remembering
c f
2. Analysis of DNA sequences reveals:
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a. the ancient convergence of two cell types, i.e., prokaryotes and euka
cf cf cf cf cf cf cf cf cf cf
ryotes
b. prokaryotes and eukaryotes evolved from a common ancestral cell cf cf cf cf cf cf cf cf
c. that bacteria share common ancestor with archaea, but not with euk
cf cf cf cf cf cf cf cf cf cf
arya
d. prokaryotes are cells with a nucleus cf cf cf cf cf
e. the genome of Haemophilus influenzae has about 2 billion base pairs
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ANS: B c DIF:
f Easy REF: 1.1 cfcfcf TOP: I.A | I.B c f cf cf
MSC: Remembering
c f
3. Which of these groups are considered to be microbes but NOT considered to be cells?
cf cf cf cf cf cf cf cf cf cf cf cf cf cf
a. viruses d. protists
b. bacteria e. filamentous fungi cf
c. archaea
ANS: A c DIF:
f Easy REF: 1.1 cfcfcf TOP: I.A.i c f
MSC: Remembering
c f
4. A microbe is commonly defined as:
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a. a virus that requires a microscope to be seen
cf cf cf cf cf cf cf cf
b. a bacterium that requires a microscope to be seen
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c. a single-
cf
cellular prokaryote that requires a microscope to be seen
cf cf cf cf cf cf cf cf
d. a multicellular eukaryote that requires a microscope to be se
cf cf cf cf cf cf cf cf cf
en
e. a living organism that requires a microscope to be seen
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ANS: E c DIF:
f Easy REF: 1.1 cfcfcf TOP: I.A.i | I.A.ii
c f cf cf
MSC: Remembering
c f
5. Which one of the following statements regarding microbial cells is NOT true?
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a. Microbial cells acquire food, gain energy to build themselves, and respo
cf cf cf cf cf cf cf cf cf cf
nd to cf
environmental change. cf