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STRAIGHTERLINE MICRO Final Exam
Prep; Actual Exam Q&A|Excellent
Scores| 2025
Mycobacterium and Nocardia are distinguished from other bacteria by the
______ stain.
Select one:
a. acid-fast
b. methylene blue
c. endospore
d. Gram
e. basic - Correct-answer-acid-fast
Bacterial cells could have any of the following appendages except ______.
Select one:
a. flagella
b. cilia
c. fimbriae
d. periplasmic flagella (axial filaments)
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e. pili - Correct-answer-cilia
Amoebic dysentery is most commonly contracted through
Select one:
a. the fecal-oral route from contaminated food or water.
b. direct transmission from one host to another.
c. puncture wounds.
d. insect bites.
e. contaminated blood products. - Correct-answer-the fecal-oral route from
contaminated food or water.
The endosymbiotic theory has been developed to explain the emergence of
______.
Select one:
a. archaea
b. bacteria
c. prokaryotes
d. eukaryotes
e. viruses - Correct-answer-eukaryotes
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Which of the following does not pertain to endotoxin?
Select one:
a. Endotoxin is a bacterial cell wall lipid.
b. Endotoxin can stimulate fever in the human body.
c. Endotoxin can cause septic shock in the human body.
d. Endotoxin is found in acid-fast bacterial cell walls. - Correct-answer-Endotoxin
is found in acid-fast bacterial cell walls.
A group of protozoa that are not motile are the ______.
Select one:
a. amoebas
b. ciliates
c. trophozoites
d. Plasmodium sp.
e. dimorphics - Correct-answer-Plasmodium sp.
In general, most DNA viruses multiply in the host cell's _____, while most RNA
viruses multiply in the host cell's _____.
Select one:
, 4|Page
a. nucleus; cytoplasm
b. cytoplasm; cell membrane
c. cell membrane; cytoplasm
d. cytoplasm; nucleus
e. nucleus; endoplasmic reticulum - Correct-answer-nucleus; cytoplasm
Viral classification has changed over the years and while they are given genus
names, the use of species names has not been widely accepted. This is because
Select one:
a. viruses are not organisms.
b. viruses change over time making species characteristics difficult to stabilize.
c. viruses that could be classified into a single species may have many, but not all,
properties in common.
d. All of the above are arguments against using species designations for viruses. -
Correct-answer-All of the above are arguments against using species designations
for viruses.
Uncoating of viral nucleic acid
Select one:
a. does not occur in bacteriophage multiplication.
b. involves enzymatic destruction of the capsid.
STRAIGHTERLINE MICRO Final Exam
Prep; Actual Exam Q&A|Excellent
Scores| 2025
Mycobacterium and Nocardia are distinguished from other bacteria by the
______ stain.
Select one:
a. acid-fast
b. methylene blue
c. endospore
d. Gram
e. basic - Correct-answer-acid-fast
Bacterial cells could have any of the following appendages except ______.
Select one:
a. flagella
b. cilia
c. fimbriae
d. periplasmic flagella (axial filaments)
,2|Page
e. pili - Correct-answer-cilia
Amoebic dysentery is most commonly contracted through
Select one:
a. the fecal-oral route from contaminated food or water.
b. direct transmission from one host to another.
c. puncture wounds.
d. insect bites.
e. contaminated blood products. - Correct-answer-the fecal-oral route from
contaminated food or water.
The endosymbiotic theory has been developed to explain the emergence of
______.
Select one:
a. archaea
b. bacteria
c. prokaryotes
d. eukaryotes
e. viruses - Correct-answer-eukaryotes
,3|Page
Which of the following does not pertain to endotoxin?
Select one:
a. Endotoxin is a bacterial cell wall lipid.
b. Endotoxin can stimulate fever in the human body.
c. Endotoxin can cause septic shock in the human body.
d. Endotoxin is found in acid-fast bacterial cell walls. - Correct-answer-Endotoxin
is found in acid-fast bacterial cell walls.
A group of protozoa that are not motile are the ______.
Select one:
a. amoebas
b. ciliates
c. trophozoites
d. Plasmodium sp.
e. dimorphics - Correct-answer-Plasmodium sp.
In general, most DNA viruses multiply in the host cell's _____, while most RNA
viruses multiply in the host cell's _____.
Select one:
, 4|Page
a. nucleus; cytoplasm
b. cytoplasm; cell membrane
c. cell membrane; cytoplasm
d. cytoplasm; nucleus
e. nucleus; endoplasmic reticulum - Correct-answer-nucleus; cytoplasm
Viral classification has changed over the years and while they are given genus
names, the use of species names has not been widely accepted. This is because
Select one:
a. viruses are not organisms.
b. viruses change over time making species characteristics difficult to stabilize.
c. viruses that could be classified into a single species may have many, but not all,
properties in common.
d. All of the above are arguments against using species designations for viruses. -
Correct-answer-All of the above are arguments against using species designations
for viruses.
Uncoating of viral nucleic acid
Select one:
a. does not occur in bacteriophage multiplication.
b. involves enzymatic destruction of the capsid.
