,Name: ___________________________ Class: _________________ Date: __________
Chapter 01
1. Viruses are
a. infectious agents that infect exclusively multicellular organisms.
b. noncellular particles that take over the metabolism of a cell to generate
more 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.
2. What is the MOST recent evidence suggesting that all life on Earth shares a
common ancestry?
3. A ______ is the total genetic information contained in an organism’s
chromosomal DNA.
a. nucleotide
b. genome
c. nuclear envelope
d. non-cellular particle
e. base pair
4. How are prokaryotes and eukaryotes different?
5. How do microbes help in the extraction of minerals?
6. Which of these groups are considered to be microbes, but NOT considered to be
cells?
a. viruses
b. protists
, c. bacteria
d. filamentous fungi
e. archaea
7. All of the following are eukaryotic microbes EXCEPT
a. fungi.
b. algae.
c. protozoa.
d. Stentor.
e. viruses.
8. Antonie van Leeuwenhoek worked as a cloth draper, inspecting the quality of
cloth. How did this lead to his interest in microscopy?
9. What was the major complaint about Lazzaro Spallanzani’s experiment to
disprove spontaneous generation, and how did Louis Pasteur’s swan-neck flasks
overcome this?
10.Which one of the following statements regarding microbial cells is FALSE?
a. Microbial cells acquire food, gain energy to build themselves, and respond
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 the naked eye.
c. Microbes evolve at slow rates.
d. Many microbes form complex multicellular assemblages.
e. Viruses are not considered microbial cells.
11.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 fix 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.
12.Describe the discoveries of Louis Pasteur while working with the French beer and
wine manufacturers in assessing alcohol versus vinegar production during
fermentation.
13.Describe the effects of three microbial diseases that have significantly affected
human populations throughout history.
14.The first cellular genomes to be sequenced were those of
a. humans.
b. prions.
c. bacteria.
d. fungi.
e. viruses.
15.Which organism requires a BSL-4 lab?
a. E. coli
b. Stentor sp.
c. herpes simplex virus
d. halophiles
e. ebolavirus
16.Why did it take so long for humans to determine that microbes cause infectious
diseases?
17.The development of the theory of the “RNA world” resulted from the discovery of
a. archaea.
Chapter 01
1. Viruses are
a. infectious agents that infect exclusively multicellular organisms.
b. noncellular particles that take over the metabolism of a cell to generate
more 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.
2. What is the MOST recent evidence suggesting that all life on Earth shares a
common ancestry?
3. A ______ is the total genetic information contained in an organism’s
chromosomal DNA.
a. nucleotide
b. genome
c. nuclear envelope
d. non-cellular particle
e. base pair
4. How are prokaryotes and eukaryotes different?
5. How do microbes help in the extraction of minerals?
6. Which of these groups are considered to be microbes, but NOT considered to be
cells?
a. viruses
b. protists
, c. bacteria
d. filamentous fungi
e. archaea
7. All of the following are eukaryotic microbes EXCEPT
a. fungi.
b. algae.
c. protozoa.
d. Stentor.
e. viruses.
8. Antonie van Leeuwenhoek worked as a cloth draper, inspecting the quality of
cloth. How did this lead to his interest in microscopy?
9. What was the major complaint about Lazzaro Spallanzani’s experiment to
disprove spontaneous generation, and how did Louis Pasteur’s swan-neck flasks
overcome this?
10.Which one of the following statements regarding microbial cells is FALSE?
a. Microbial cells acquire food, gain energy to build themselves, and respond
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 the naked eye.
c. Microbes evolve at slow rates.
d. Many microbes form complex multicellular assemblages.
e. Viruses are not considered microbial cells.
11.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 fix 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.
12.Describe the discoveries of Louis Pasteur while working with the French beer and
wine manufacturers in assessing alcohol versus vinegar production during
fermentation.
13.Describe the effects of three microbial diseases that have significantly affected
human populations throughout history.
14.The first cellular genomes to be sequenced were those of
a. humans.
b. prions.
c. bacteria.
d. fungi.
e. viruses.
15.Which organism requires a BSL-4 lab?
a. E. coli
b. Stentor sp.
c. herpes simplex virus
d. halophiles
e. ebolavirus
16.Why did it take so long for humans to determine that microbes cause infectious
diseases?
17.The development of the theory of the “RNA world” resulted from the discovery of
a. archaea.
