BIO 305 Final Exam study guide (70 questions) (edited)
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Question: Viruses are
a. infectious agents that infect multi-cellular organism
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
Answer:
noncellular particles that take over the metabolism of a cell to generate more virus
particles.
Question: Analysis of DNA sequences reveals
a. the ancient convergence of two cell types ex. prokaryotes and eukaryotes
b. prokaryotes and eukaryotes evolved from a common ancestral cell
c. the bacteria share common ancestor with archaea, but not with eukarya
d. prokaryotes are cells with a nucleus
e. the genome of Haemophilus influenzae has about 2 billion base bares
Answer:
that prokaryotes and eukaryotes evolved from a common ancestral cell.
Question: 3. Which of these groups are considered to be microbes but NOT considered to be
cells?
a. viruses
b. bacteria
c. archaea
d. protists
e. filamentous fungi
Answer:
virus
Question: A microbe is commonly defined as a ________ that requires a microscope to be
seen.
Answer:
living organism
,Question: 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 naked eyes.
c. microbes function as individual entities.
d. many microbes form complex multicellular assemblages
.e. viruses are not considered as microbial cells.
Answer:
Microbes function as individual entities.
Question: 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.
Answer:
Fred Sanger completed the sequences of Haemophilus influenzae.
Question: The first cellular genomes to be sequenced were those of
Answer:
bacteria
Question: How did European invaders to North America kill much of the native population?
Answer:
smallpox
Question: Semmelweis and Lister noted that many of their patients' deaths were due to
A) Maggots
B) E. coli
C) Chlorine
D) pathogen transmission by doctors
E) Staph
Answer:
pathogen transmission by doctors.
,Question: What is the standard sterilization method for the controlled study of microbes?
Answer:
autoclaving
Question: Suppose Pasteur's swan-necked flasks containing boiled broth became cloudy
twenty-four hours after boiling. Which choice could best explain the turbidity or cloudiness
in the broth without supporting spontaneous generation?
Answer:
Endospores in the broth survived boiling and grew after the broth cooled.
Question: Which of the following is NOT considered to be an extremophilic condition for
bacteria?
a. high alkalinity
d. high nutrients
b. high salinity
e. high temperature
c. high acidity
Answer:
high nutrients
Question: It took the advent of the polymerase chain reaction to detect the presence of the
causative agent for which disease?
Answer:
AIDS
Question: The word “vaccination” is derived from the Latin word vacca, which means
Answer:
cow
Question: What was the basis for the original smallpox vaccine?
Answer:
cowpox virus
Question: Penicillin was first used to save the lives of many people during which war?
Answer:
World War II
Question: How do many animal endosymbionts grow?
, Answer:
in biofilms
Question: All of the following are true about penicillin EXCEPT that it
a. was discovered by Alexander Fleming
b. it targets the bacterial cell wall
c. is produced by a bacterium
d. was the first antibiotic used by humans
e. was purified by Florey and Chain
Answer:
is produced by a bacterium.
Question: Which of the following statements regarding viruses is FALSE?
A. They are smaller than plasmids and prions.
B. They require a host cell to reproduce.
C. They can contain either DNA or RNA as their genetic material.
D. They lack cellular structures such as ribosomes and membranes.
Answer:
They are smaller than plasmids and prions.
Question: Organisms that live symbiotically inside a larger organism are known as
1. organelles.
2. endosymbionts.
3. cyanobacteria.
4. chloroplasts.
5. mitochondria.
Answer:
endosymbionts.
Question: Carl Woese's discovery replaced the classification scheme of five kingdoms with a
scheme of three
A) phyla
B) classes
C) families
D) clades
E) domains
Answer:
domains.
Question: The gene expression machinery of archaea is MOST similar to
California Baptist University Questions with 100%
Verified Answers Latest Update
Question: Viruses are
a. infectious agents that infect multi-cellular organism
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
Answer:
noncellular particles that take over the metabolism of a cell to generate more virus
particles.
Question: Analysis of DNA sequences reveals
a. the ancient convergence of two cell types ex. prokaryotes and eukaryotes
b. prokaryotes and eukaryotes evolved from a common ancestral cell
c. the bacteria share common ancestor with archaea, but not with eukarya
d. prokaryotes are cells with a nucleus
e. the genome of Haemophilus influenzae has about 2 billion base bares
Answer:
that prokaryotes and eukaryotes evolved from a common ancestral cell.
Question: 3. Which of these groups are considered to be microbes but NOT considered to be
cells?
a. viruses
b. bacteria
c. archaea
d. protists
e. filamentous fungi
Answer:
virus
Question: A microbe is commonly defined as a ________ that requires a microscope to be
seen.
Answer:
living organism
,Question: 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 naked eyes.
c. microbes function as individual entities.
d. many microbes form complex multicellular assemblages
.e. viruses are not considered as microbial cells.
Answer:
Microbes function as individual entities.
Question: 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.
Answer:
Fred Sanger completed the sequences of Haemophilus influenzae.
Question: The first cellular genomes to be sequenced were those of
Answer:
bacteria
Question: How did European invaders to North America kill much of the native population?
Answer:
smallpox
Question: Semmelweis and Lister noted that many of their patients' deaths were due to
A) Maggots
B) E. coli
C) Chlorine
D) pathogen transmission by doctors
E) Staph
Answer:
pathogen transmission by doctors.
,Question: What is the standard sterilization method for the controlled study of microbes?
Answer:
autoclaving
Question: Suppose Pasteur's swan-necked flasks containing boiled broth became cloudy
twenty-four hours after boiling. Which choice could best explain the turbidity or cloudiness
in the broth without supporting spontaneous generation?
Answer:
Endospores in the broth survived boiling and grew after the broth cooled.
Question: Which of the following is NOT considered to be an extremophilic condition for
bacteria?
a. high alkalinity
d. high nutrients
b. high salinity
e. high temperature
c. high acidity
Answer:
high nutrients
Question: It took the advent of the polymerase chain reaction to detect the presence of the
causative agent for which disease?
Answer:
AIDS
Question: The word “vaccination” is derived from the Latin word vacca, which means
Answer:
cow
Question: What was the basis for the original smallpox vaccine?
Answer:
cowpox virus
Question: Penicillin was first used to save the lives of many people during which war?
Answer:
World War II
Question: How do many animal endosymbionts grow?
, Answer:
in biofilms
Question: All of the following are true about penicillin EXCEPT that it
a. was discovered by Alexander Fleming
b. it targets the bacterial cell wall
c. is produced by a bacterium
d. was the first antibiotic used by humans
e. was purified by Florey and Chain
Answer:
is produced by a bacterium.
Question: Which of the following statements regarding viruses is FALSE?
A. They are smaller than plasmids and prions.
B. They require a host cell to reproduce.
C. They can contain either DNA or RNA as their genetic material.
D. They lack cellular structures such as ribosomes and membranes.
Answer:
They are smaller than plasmids and prions.
Question: Organisms that live symbiotically inside a larger organism are known as
1. organelles.
2. endosymbionts.
3. cyanobacteria.
4. chloroplasts.
5. mitochondria.
Answer:
endosymbionts.
Question: Carl Woese's discovery replaced the classification scheme of five kingdoms with a
scheme of three
A) phyla
B) classes
C) families
D) clades
E) domains
Answer:
domains.
Question: The gene expression machinery of archaea is MOST similar to
