Test Bank for Microbiology: An Evolving Science 5th Edition by Slonczewski & Foster, All Chapters 1 - 28 Complete, Verified Latest Edition

TEST BANK

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

,
,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 more virusparti
cf cf cf cf cf cf cf cf cf cf cf cf cf cf



cles
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 cDIF: f Easy REF: 1.1 cfcfcf TOP: I.A | I.B
c f cf cf



MSC: Rememberingc f




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


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



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 eukarya
cf cf cf cf cf cf cf cf cf cf



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



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




ANS: B cDIF: f Easy REF: 1.1 cfcfcf TOP: I.A | I.B
c f cf cf



MSC: Rememberingc 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 cDIF: f Easy REF: 1.1 cfcfcf TOP: I.A.i
c f



MSC: Rememberingc f




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



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
cf cf cf cf cf cf cf cf



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



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



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




ANS: E cDIF: f Easy REF: 1.1 cfcfcf TOP: I.A.i | I.A.ii
c f cf cf



MSC: Rememberingc f




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



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


environmental change. cf

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


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



c. Microbes function as individual entities. cf cf cf cf



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



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




ANS: C c DIF:
f Easy REF: 1.1 cfcfcf TOP: I.A.i | I.A.ii
c f cf cf



MSC: Remembering
c f




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



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



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




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


related they are. cf cf



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



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




ANS: E c DIF:
f Easy REF: 1.1 cfcfcf TOP: I.B c f



MSC: Remembering
c f




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



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



MSC: Remembering
c f




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



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



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




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



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




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



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



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




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



a. DNA d. amino acids cf



b. RNA e. carbohydrates