TEST BANK FOR Microbiology: An Evolving Science Sixth Edition by Joan L. Slonczewski, John W. Foster, Erik R. Zinser ISBN: 978-1324033523 COMPLETE GUIDE ALL CHAPTERS COVERED 100% VERIFIED A+ GRADE ASSURED!!!!NEW LATEST UPDATE!!!!!

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,CHAPTER1: Microbial Life: Originand Discovery
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MULTIPLE CHOICE
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1. Virusesxare:
a. infectiousxagents that infect multi-cellular organisms zl zl zl zl



b. noncellular particles that take over the metabolism of acell to generate mor e vir
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usparticles
c. pathogens that replicate in complex growth media zl zl zl zl zl zl



d. cellular particles thatxbelongxto the archaea domain
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e. microbesxthat consistxof lipid membrane enclosed genomes zl zl zl zl zl




ANS: B z l DIF: Easy REF: 1.1 z l TOP: I.A | I.B z l zl zl



MSC: Remembering
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2. Analysisxof DNA sequences reveals: zl zl zl



a. the ancient convergence of two cell types, i.e., prokaryotes and euka ryo
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tes
b. prokaryotes and eukaryotesxevolved from a common ancestral cell zl zl zl zl zl zl zl



c. thatxbacteria share common ancestor with archaea, but notxwith euk ary zl zl zl zl zl zl zl zl zl


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



e. the genome of Haemophilus influenzaexhas about 2 billion base pairs
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ANS: B z l DIF: Easy REF: 1.1 z l TOP: I.A | I.B z l zl zl



MSC: Remembering
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3. Which of these groups are considered to be microbes butxNOT considered toxbe cells?
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a. viruses d. protists
b. bacteria e. filamentousxfungi
c. archaea
ANS: A z l DIF: Easy REF: 1.1 z l TOP: I.A.i z l



MSC: Remembering
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4. A microbe is commonly defined as:
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a. a virus that requires a microscope to be seen
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b. a bacterium that requires a microscope to be seen
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c. a single- zl


cellular prokaryote that requires a microscopexto be seen
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d. a multicellular eukaryote that requires a microscope to be se en
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e. a living organism that requires a microscope to bexseen
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ANS: E z l DIF: Easy REF: 1.1 z l TOP: I.A.i | I.A.ii zl zl zl



MSC: Remembering
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5. Which one of the following statements regarding microbial cellsxisxNOT true?
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a. Microbial cells acquire food, gain energy toxbuild themselves, and respo nd
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to
environmental change. zl

, b. Mostxsingle-
celled organisms requirexa microscope to render them visible, but some ba
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cterial cells arexlarge enough to bexseen with naked eyes.
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c. Microbes function as individual entities. zl zl zl zl



d. Many microbes form complex multicellular assemblages.
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e. Viruses are not considered asxmicrobial cells. zl zl zl zl zl




ANS: C z l DIF: Easy REF: 1.1 z l TOP: I.A.i | I.A.ii zl zl zl



MSC: Remembering
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6. Which of the following statements is FALSE?
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a. Axgenome is the total genetic information contained in an organism’s chromosomal DNA
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.
b. If a microbe’sxgenomexincludes genes for nitrogenase, that microbe probably can fix
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nitrogen.
c. BycomparingDNA sequences of different organisms, wexcanfigure outxhow closely rel
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ated they are. zl zl



d. Fred Sanger developed the firstxapplicable DNA sequencing method.
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e. Fred Sanger completed the sequences of Haemophilus influenzae.
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ANS: E z l DIF: Easy REF: 1.1 z l TOP: I.B z l



MSC: Remembering
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7. The first cellular genomes to be sequenced were those of:
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a. humans d. prions
b. bacteria e. fungi
c. viruses
ANS: B z l DIF: Easy REF: 1.1 z l TOP: I.B.i z l



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



c. ammonia
ANS: D z l DIF: Easy
REF: Special Topic 1.1TOP: II.D MS
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C: Remembering
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9. The development of the theory of the ―RNA world‖ resulted fromthe discovery of:
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a. archaea d. ribozymes
b. prions e. endosymbionts
c. bacteria
ANS: D z l DIF: Medium
REF: Special Topic 1.1TOP: II.D MS
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C: Remembering
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10. Which microbes may resemble those of the earliest life forms?
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a. archaea d. cyanobacteria
b. photosynthetic algae e. protists zl



c. viruses
ANS: A z l DIF: Medium
REF: Special Topic 1.1TOP: II.D MS
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C: Remembering
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11. Early metabolism may have been catalyzed by:
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a. DNA d. aminoxacids