STRAIGHTERLINE MICROBIOLOGY
questions and answers 2024
Cell walls are not typically possessed by ______. - correct answer ✅protozoa
The two major groups of helminths are the ______ and the ______. - correct
answer ✅roundworms; flatworms
Which of the following is not true of conjugation?
a. Involves direct contact between cells
b. Transfers genes for drug resistance
c. Transfers genes for enzymes and adherence molecules
d. Involves the action of bacteriophage
e. The donor retains a copy of the transferred genes - correct answer ✅Involves
the action of bacteriophage
Which of the following properties is likely to be found in a pioneer colonizer of a
biofilm on an artificial joint implant? - correct answer ✅Surface structures for
attaching to tissue
A bacterium is inoculated into a tube of thioglycollate and incubated. After
incubation, turbidity appears throughout, top to bottom, with the greatest
,STRAIGHTERLINE MICROBIOLOGY
questions and answers 2024
turbidty at the very top. This bacterium would be called a(n) ______. - correct
answer ✅facultative anaerobe
An organic nutrient that cannot be synthesized by the organism and must be
provided is called a(n) ______. - correct answer ✅growth factor
Humans can see objects as small as 0.1 mm. Leeuwenhoek's best microscope
could magnify objects to 300X. Which of the following would be invisible using
Leeuwenhoek's microscope? - correct answer ✅Poliovirus, 30 nm
Which of the following is not associated with every virus?
a. Envelope
b. Capsomeres
c. Capsid
d. Nucleic acid
e. Genome - correct answer ✅Envelope
A diagram of the three domains (Bacteria, Archaea, Eukarya) proceeding from the
Last Universal Common Ancestor would show Archaea - correct answer
✅branching off the Domain Eukarya.
, STRAIGHTERLINE MICROBIOLOGY
questions and answers 2024
During aerobic cellular respiration, the final electron acceptor is ______. - correct
answer ✅oxygen
The endosymbiotic theory has been developed to explain the emergence of
______. - correct answer ✅eukaryotes
Which of the following is a unique characteristic of viruses that distinguishes them
from the other major groups of microorganisms?
a. Cause human disease
b. Lack a nucleus
c. Cannot be seen without a microscope
d. Contain genetic material
e. Lack cell structure - correct answer ✅Lack cell structure
What type of mutation alters the base but not the amino acid being coded for? -
correct answer ✅Silent
questions and answers 2024
Cell walls are not typically possessed by ______. - correct answer ✅protozoa
The two major groups of helminths are the ______ and the ______. - correct
answer ✅roundworms; flatworms
Which of the following is not true of conjugation?
a. Involves direct contact between cells
b. Transfers genes for drug resistance
c. Transfers genes for enzymes and adherence molecules
d. Involves the action of bacteriophage
e. The donor retains a copy of the transferred genes - correct answer ✅Involves
the action of bacteriophage
Which of the following properties is likely to be found in a pioneer colonizer of a
biofilm on an artificial joint implant? - correct answer ✅Surface structures for
attaching to tissue
A bacterium is inoculated into a tube of thioglycollate and incubated. After
incubation, turbidity appears throughout, top to bottom, with the greatest
,STRAIGHTERLINE MICROBIOLOGY
questions and answers 2024
turbidty at the very top. This bacterium would be called a(n) ______. - correct
answer ✅facultative anaerobe
An organic nutrient that cannot be synthesized by the organism and must be
provided is called a(n) ______. - correct answer ✅growth factor
Humans can see objects as small as 0.1 mm. Leeuwenhoek's best microscope
could magnify objects to 300X. Which of the following would be invisible using
Leeuwenhoek's microscope? - correct answer ✅Poliovirus, 30 nm
Which of the following is not associated with every virus?
a. Envelope
b. Capsomeres
c. Capsid
d. Nucleic acid
e. Genome - correct answer ✅Envelope
A diagram of the three domains (Bacteria, Archaea, Eukarya) proceeding from the
Last Universal Common Ancestor would show Archaea - correct answer
✅branching off the Domain Eukarya.
, STRAIGHTERLINE MICROBIOLOGY
questions and answers 2024
During aerobic cellular respiration, the final electron acceptor is ______. - correct
answer ✅oxygen
The endosymbiotic theory has been developed to explain the emergence of
______. - correct answer ✅eukaryotes
Which of the following is a unique characteristic of viruses that distinguishes them
from the other major groups of microorganisms?
a. Cause human disease
b. Lack a nucleus
c. Cannot be seen without a microscope
d. Contain genetic material
e. Lack cell structure - correct answer ✅Lack cell structure
What type of mutation alters the base but not the amino acid being coded for? -
correct answer ✅Silent
