Microbiology - VBS 2032 - Exam 1 Questions and
Correct Answers
Which of the following would be most closely related?
a. protozoa and mycoplasma
b. Gram-positive and Gram-negative bacteria
c. fungi and viruses
d. bacteria and archaea
b. gram + and - bacteria
What are ribosomes composed of?
RNA and protein
what group of bacteria moves using internal flagella called axial filaments?
a. streptococcus
b. staphylococcus
c. spirochetes
d. streptomyces
c. spirochetes
A mycoses would most likely be treated with:
a. antiviral drugs
b. antifungal drugs
,c. antibacterial drugs
d. rest and fluids
b. anti-fungal drugs
Using swan-necked flasks, Pasteur was able to keep broth sterile when:
the broth was boiled in the flask
the flask was upright (not tilted)
the broth was free of endospores
all of the above
all of the above
Which of the following statements is true regarding potato salad and botulism?
C. botulinum endospores are destroyed by boiling.
Endospores can germinate and grow in jars stored at room temperature.
Mayonnaise is a common source of C. botulinum endospores.
Non-acid vegetables like potatoes cannot be canned at home.
Endospores can germinate and grow in jars stored at room temperature.
Gram-negative cells have porins, which function:
in protein synthesis
in transport
, in motility
in photosynthesis
in transport
Virulent bacteria are more likely to cause disease.
True
False
True
Viruses, viroids, and pions are considered "non-living" infectious particles because:
they can't be inactivated
infections result in death
they can't replicate independently
they lack membranes
they can't replicate independently
Enveloped viruses obtain a lipid bilayer:
from other enveloped viruses.
by budding from the host cell.
by synthesizing phospholipids and proteins.
during fusion with the host cell.
Correct Answers
Which of the following would be most closely related?
a. protozoa and mycoplasma
b. Gram-positive and Gram-negative bacteria
c. fungi and viruses
d. bacteria and archaea
b. gram + and - bacteria
What are ribosomes composed of?
RNA and protein
what group of bacteria moves using internal flagella called axial filaments?
a. streptococcus
b. staphylococcus
c. spirochetes
d. streptomyces
c. spirochetes
A mycoses would most likely be treated with:
a. antiviral drugs
b. antifungal drugs
,c. antibacterial drugs
d. rest and fluids
b. anti-fungal drugs
Using swan-necked flasks, Pasteur was able to keep broth sterile when:
the broth was boiled in the flask
the flask was upright (not tilted)
the broth was free of endospores
all of the above
all of the above
Which of the following statements is true regarding potato salad and botulism?
C. botulinum endospores are destroyed by boiling.
Endospores can germinate and grow in jars stored at room temperature.
Mayonnaise is a common source of C. botulinum endospores.
Non-acid vegetables like potatoes cannot be canned at home.
Endospores can germinate and grow in jars stored at room temperature.
Gram-negative cells have porins, which function:
in protein synthesis
in transport
, in motility
in photosynthesis
in transport
Virulent bacteria are more likely to cause disease.
True
False
True
Viruses, viroids, and pions are considered "non-living" infectious particles because:
they can't be inactivated
infections result in death
they can't replicate independently
they lack membranes
they can't replicate independently
Enveloped viruses obtain a lipid bilayer:
from other enveloped viruses.
by budding from the host cell.
by synthesizing phospholipids and proteins.
during fusion with the host cell.
