TEST BANK for Microbiology An Evolving Science, 3rd Edition, John Foster & Joan Slonczewski _TABLE OF CONTENTS_ Part I: The Microbial Cell Chapter 1. Microbial Life: Origin and Discovery Chapter 2 . Observing the Microbial Cell Chapter 3. Cell Structure and Function Chapter 4. Bacterial Culture, Gr...
1. Viruses’are:
a. infectious’agents’that’infect’multi-cellular’organisms
b. noncellular’particles’that’take’over’the’metabolism’of’a’cell’to’generate’mo
re’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’euka
ryotes
b. prokaryotes’and’eukaryotes’evolved’from’a’common’ancestral’cell
c. that’bacteria’share’common’ancestor’with’archaea,’but’not’with’euk
arya
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 d. protists
b. bacteria e. filamentous’fungi
c. archaea
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’se
en
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’respo
nd’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’fi
x’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
MSC:’ Remembering
7. The’first’cellular’genomes’to’be’sequenced’were’those’of:
a. humans d. prions
b. bacteria e. fungi
c. viruses
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 d. oxygen
b. methane e. hydrogen’gas
c. ammonia
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 d. ribozymes
b. prions e. endosymbionts
c. bacteria
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 d. cyanobacteria
b. photosynthetic’algae e. protists
c. viruses
ANS:’ A DIF: Medium
REF:’Special’Topic’1.1’TOP:’ II.D
MSC:’ Remembering
11. Early’metabolism’may’have’been’catalyzed’by:
a. DNA d. amino’acids
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