BIOL 251 FINAL EXAM WITH
COMPLETE CORRECT SOLUTIONS
Which of the following is not a function of teichoic acid found in Gram
positive cell walls?
A. Produces endotoxin, which causes endotoxic toxic
B. Prevention of excessive cell wall breakdown
C. Provides antigenicity to the cell wall
D. Regulation of the movements of cations - CORRECT ANSWER-
A. Produces endotoxin, which causes endotoxic toxic
Where are phospholipids most likely found in a Prokaryotic cell?
A. Flagella
B. Plasma membrane
C. All of these answers are correct
D. Around organelles - CORRECT ANSWER- B. Plasma membrane
Which of the following is nota reason fungi can grow where bacteria can
not?
A. Fungi are most resistant to osmotic pressure than bacteria
B. Fungi are more heat tolerant than more bacteria
C. Fungi can grow at a pH of 5, too low for most bacteria
D. Fungi require less nitrogen than bacteria - CORRECT ANSWER-
B. Fungi are more heat tolerant than more bacteria
Which scientist discussed in class is responsible for developing an
experimental procedure that allows us to prove a specific microbe
causes a specific infectious disease?
,A. John Needham
B. Rosalind Franklin
C. Leo Spallanzani
D. Robert Koch
E. Robert Hooke - CORRECT ANSWER- D. Robert Koch
Which of the following is not included in the field of microbiology?
A. Bacteriology
B. Mycology
C. Parasitology
D. Ethology
E. Virology - CORRECT ANSWER- D. Ethology
For most pathogenic dimorphic fungi:
A. Growth with CO2 is yeast-like, growth without CO2 is mold-like
B. Growth with CO2 is mold-like, growth without CO2 is yeast-like
C. Growth at 25C is yeast-like, growth at 37C is mold-like
D. Growth at 25C is mold-like, growth at 37C is yeast-like - CORRECT
ANSWER- D. Growth at 25C is mold-like, growth at 37C is yeast-like
James Watson, Francis Crick, Maurice Wilkins, and Rosalind Franklin
discovered the structure of DNA, but which one did not receive the Nobel
Prize for the work?
A. Francis Crick
B. Maurice Wilkins
C. James Watson
D. Rosalind Franklin - CORRECT ANSWER- D. Rosalind Franklin
Which of the following is not a basic viral morphology?
A. Linear
B. Complex
C. Helical
D. Polyhedral
,E. Enveloped - CORRECT ANSWER- A. Linear
When budding yeast fail to separate after division, they form short chains
of cells called?
A. Streptococci chains
B. Conidophores
C. Pseudohypha
D. Hyphae
E. Budding chains - CORRECT ANSWER- C. Pseudohypha
Which of the following is true fir bacterial endospores?
A. Endospores are for reproduction
B. A cell produces one endospore and continues growing
C. A cell can produce many endospores
D. Endospores allow a bacteria to survive environmental changes -
CORRECT ANSWER- D. Endospores allow a bacteria to survive
environmental changes
The term used to describe which organism a virus can infect is?
A. Tissue tropism
B. None of these answers are correct
C. Receptor-mediated endocytosis
D. Cytopathic effects
E. Host range - CORRECT ANSWER- E. Host range
Which of the following is not a method we use for the cultivation of
animal viruses?
A. Using cell culture
B. Using live animals
C. Using embryonated eggs
D. Using bacteria growing on agar plates - CORRECT ANSWER- D.
Using bacteria growing on agar plates
, Which of the following is a problem facing microbiologists in the modern
era? Select all correct answers.
A. The emergence of new diseases and the re-emergence of diseases
thought to be well controlled
B. Rapid disease spread due to the mobility of people
C. Increased antibiotic resistance caused by the misuse of antibiotics
D. Climate change allowing species-like mosquitoes to move into new
habitats, bringing new diseases with them - CORRECT ANSWER-
All of the above
Which organelle is responsible for ATP production?
A. Ribosome
B. Golgi
C. Nucleus
D. Mitochondria - CORRECT ANSWER- D. Mitochondria
During an animal virus infection, when is the capsid removed, exposing
the viral genome?
A. Before the virus binds to the host cell
B. Once the virus has bound to the host cell
C. Once the virus has penetrated the nucleus of the host cell
D. The viral capsid is never removed from the virus during infection
E. Once the virus has penetrated the host cell, entering the cytoplasm
- CORRECT ANSWER- E. Once the virus has penetrated the host cell,
entering the cytoplasm
Which of the following is not true of fungal spores?
A. Fungal spores are less resistant than bacterial spores
B. Fungal spores can undergo sexual recombination
C. Fungal spores are reproductive
D. Fungal spores can germinate multiple times - CORRECT
ANSWER- D. Fungal spores can germinate multiple times
Which of the following statements is false?
COMPLETE CORRECT SOLUTIONS
Which of the following is not a function of teichoic acid found in Gram
positive cell walls?
A. Produces endotoxin, which causes endotoxic toxic
B. Prevention of excessive cell wall breakdown
C. Provides antigenicity to the cell wall
D. Regulation of the movements of cations - CORRECT ANSWER-
A. Produces endotoxin, which causes endotoxic toxic
Where are phospholipids most likely found in a Prokaryotic cell?
A. Flagella
B. Plasma membrane
C. All of these answers are correct
D. Around organelles - CORRECT ANSWER- B. Plasma membrane
Which of the following is nota reason fungi can grow where bacteria can
not?
A. Fungi are most resistant to osmotic pressure than bacteria
B. Fungi are more heat tolerant than more bacteria
C. Fungi can grow at a pH of 5, too low for most bacteria
D. Fungi require less nitrogen than bacteria - CORRECT ANSWER-
B. Fungi are more heat tolerant than more bacteria
Which scientist discussed in class is responsible for developing an
experimental procedure that allows us to prove a specific microbe
causes a specific infectious disease?
,A. John Needham
B. Rosalind Franklin
C. Leo Spallanzani
D. Robert Koch
E. Robert Hooke - CORRECT ANSWER- D. Robert Koch
Which of the following is not included in the field of microbiology?
A. Bacteriology
B. Mycology
C. Parasitology
D. Ethology
E. Virology - CORRECT ANSWER- D. Ethology
For most pathogenic dimorphic fungi:
A. Growth with CO2 is yeast-like, growth without CO2 is mold-like
B. Growth with CO2 is mold-like, growth without CO2 is yeast-like
C. Growth at 25C is yeast-like, growth at 37C is mold-like
D. Growth at 25C is mold-like, growth at 37C is yeast-like - CORRECT
ANSWER- D. Growth at 25C is mold-like, growth at 37C is yeast-like
James Watson, Francis Crick, Maurice Wilkins, and Rosalind Franklin
discovered the structure of DNA, but which one did not receive the Nobel
Prize for the work?
A. Francis Crick
B. Maurice Wilkins
C. James Watson
D. Rosalind Franklin - CORRECT ANSWER- D. Rosalind Franklin
Which of the following is not a basic viral morphology?
A. Linear
B. Complex
C. Helical
D. Polyhedral
,E. Enveloped - CORRECT ANSWER- A. Linear
When budding yeast fail to separate after division, they form short chains
of cells called?
A. Streptococci chains
B. Conidophores
C. Pseudohypha
D. Hyphae
E. Budding chains - CORRECT ANSWER- C. Pseudohypha
Which of the following is true fir bacterial endospores?
A. Endospores are for reproduction
B. A cell produces one endospore and continues growing
C. A cell can produce many endospores
D. Endospores allow a bacteria to survive environmental changes -
CORRECT ANSWER- D. Endospores allow a bacteria to survive
environmental changes
The term used to describe which organism a virus can infect is?
A. Tissue tropism
B. None of these answers are correct
C. Receptor-mediated endocytosis
D. Cytopathic effects
E. Host range - CORRECT ANSWER- E. Host range
Which of the following is not a method we use for the cultivation of
animal viruses?
A. Using cell culture
B. Using live animals
C. Using embryonated eggs
D. Using bacteria growing on agar plates - CORRECT ANSWER- D.
Using bacteria growing on agar plates
, Which of the following is a problem facing microbiologists in the modern
era? Select all correct answers.
A. The emergence of new diseases and the re-emergence of diseases
thought to be well controlled
B. Rapid disease spread due to the mobility of people
C. Increased antibiotic resistance caused by the misuse of antibiotics
D. Climate change allowing species-like mosquitoes to move into new
habitats, bringing new diseases with them - CORRECT ANSWER-
All of the above
Which organelle is responsible for ATP production?
A. Ribosome
B. Golgi
C. Nucleus
D. Mitochondria - CORRECT ANSWER- D. Mitochondria
During an animal virus infection, when is the capsid removed, exposing
the viral genome?
A. Before the virus binds to the host cell
B. Once the virus has bound to the host cell
C. Once the virus has penetrated the nucleus of the host cell
D. The viral capsid is never removed from the virus during infection
E. Once the virus has penetrated the host cell, entering the cytoplasm
- CORRECT ANSWER- E. Once the virus has penetrated the host cell,
entering the cytoplasm
Which of the following is not true of fungal spores?
A. Fungal spores are less resistant than bacterial spores
B. Fungal spores can undergo sexual recombination
C. Fungal spores are reproductive
D. Fungal spores can germinate multiple times - CORRECT
ANSWER- D. Fungal spores can germinate multiple times
Which of the following statements is false?
