Microbiology An Evolving Science, 6th
Edition, John Foster & Joan Slonczewski, All
Chapter 1 - 28
,sf
,
, CHAPTER 1: Microbial Life: Origin and Discovery
sf sf sf sf sf sf
MULTIPLE CHOICE
sf
1. Viruses are: sf
a. infectious agents that infect multi-cellular organisms sf sf sf sf sf
b. noncellular particles that take over the metabolism of a cell to generate more v sf sf sf sf sf sf sf sf sf sf sf sf sf
irusparticles sf
c. pathogens that replicate in complex growth media sf sf sf sf sf sf
d. cellular particles that belong to the archaea domain sf sf sf sf sf sf sf
e. microbes that consist of lipid membrane enclosed genomes sf sf sf sf sf sf sf
ANS: B s DIF: f Easy REF: 1.1 sfsfs f TOP: I.A | I.B s f sf sf
MSC: Remembering
s f
2. Analysis of DNA sequences reveals: sf sf sf sf
a. the ancient convergence of two cell types, i.e., prokaryotes and eukary
sf sf sf sf sf sf sf sf sf sf
otes
b. prokaryotes and eukaryotes evolved from a common ancestral cell sf sf sf sf sf sf sf sf
c. that bacteria share common ancestor with archaea, but not with eukar
sf sf sf sf sf sf sf sf sf sf
ya
d. prokaryotes are cells with a nucleus sf sf sf sf sf
e. the genome of Haemophilus influenzae has about 2 billion base pairs
sf sf sf sf sf sf sf sf sf sf
ANS: B s DIF: f Easy REF: 1.1 sfsfs f TOP: I.A | I.B s f sf sf
MSC: Remembering
s f
3. Which of these groups are considered to be microbes but NOT considered to be cells?
sf sf sf sf sf sf sf sf sf sf sf sf sf sf
a. viruses d. protists
b. bacteria e. filamentous fungi sf
c. archaea
ANS: A s DIF: f Easy REF: 1.1 sfsfs f TOP: I.A.i s f
MSC: Remembering
s f
4. A microbe is commonly defined as:
sf sf sf sf sf
a. a virus that requires a microscope to be seen
sf sf sf sf sf sf sf sf
b. a bacterium that requires a microscope to be seen
sf sf sf sf sf sf sf sf
c. a single-sf
cellular prokaryote that requires a microscope to be seen sf sf sf sf sf sf sf sf
d. a multicellular eukaryote that requires a microscope to be see
sf sf sf sf sf sf sf sf sf
n
e. a living organism that requires a microscope to be seen
sf sf sf sf sf sf sf sf sf
ANS: E s DIF: f Easy REF: 1.1 sfsfs f TOP: I.A.i | I.A.ii s f sf sf
MSC: Remembering
s f
5. Which one of the following statements regarding microbial cells is NOT true?
sf sf sf sf sf sf sf sf sf sf sf
a. Microbial cells acquire food, gain energy to build themselves, and respond
sf sf sf sf sf sf sf sf sf sf sf
to
environmental change. sf