STRAIGHTERLINE MICROBIOLOGY
EXAM/97 Q’S AND A’S
Cell walls are not typically possessed by ______. - -protozoa
-The two major groups of helminths are the ______ and the ______. - -
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 - -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? - -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
turbidty at the very top. This bacterium would be called a(n) ______. - -
facultative anaerobe
-An organic nutrient that cannot be synthesized by the organism and must
be provided is called a(n) ______. - -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? - -Poliovirus, 30 nm
-Which of the following is not associated with every virus?
a. Envelope
b. Capsomeres
c. Capsid
d. Nucleic acid
e. Genome - -Envelope
-A diagram of the three domains (Bacteria, Archaea, Eukarya) proceeding
from the Last Universal Common Ancestor would show Archaea - -branching
off the Domain Eukarya.
, -During aerobic cellular respiration, the final electron acceptor is ______. - -
oxygen
-The endosymbiotic theory has been developed to explain the emergence of
______. - -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 - -Lack cell structure
-What type of mutation alters the base but not the amino acid being coded
for? - -Silent
-The eukaryotic cell organelle that most resembles a bacterial cell is the
______. - -mitochondrion
-Koch's postulates are criteria used to establish that - -specific microbe is
the cause of a specific disease
-The study of evolutionary relationships among organisms is called ______. -
-phylogeny
-Starch is the primary storage food for all of the following except ______. - -
animals
-What is the maximum number of electrons in the second energy shell of an
atom? - -8
-A nutrient medium that has all of its chemical components identified and
their precise concentrations known and reproducible is termed ______. - -
defined
-The correct microbiological term for the sample of specimen that is put into
a nutrient medium to produce a culture is ______. - -inoculum
-The bacterium Neisseria gonorrhoeae causes the sexually-transmitted
infection gonorrhea. Although it can be isolated from the vagina, there are
numerous normal biota in that location as well. To generate a pure culture of
this pathogenic bacterium, the best choice is a(n) ______. - -selective
medium
EXAM/97 Q’S AND A’S
Cell walls are not typically possessed by ______. - -protozoa
-The two major groups of helminths are the ______ and the ______. - -
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 - -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? - -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
turbidty at the very top. This bacterium would be called a(n) ______. - -
facultative anaerobe
-An organic nutrient that cannot be synthesized by the organism and must
be provided is called a(n) ______. - -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? - -Poliovirus, 30 nm
-Which of the following is not associated with every virus?
a. Envelope
b. Capsomeres
c. Capsid
d. Nucleic acid
e. Genome - -Envelope
-A diagram of the three domains (Bacteria, Archaea, Eukarya) proceeding
from the Last Universal Common Ancestor would show Archaea - -branching
off the Domain Eukarya.
, -During aerobic cellular respiration, the final electron acceptor is ______. - -
oxygen
-The endosymbiotic theory has been developed to explain the emergence of
______. - -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 - -Lack cell structure
-What type of mutation alters the base but not the amino acid being coded
for? - -Silent
-The eukaryotic cell organelle that most resembles a bacterial cell is the
______. - -mitochondrion
-Koch's postulates are criteria used to establish that - -specific microbe is
the cause of a specific disease
-The study of evolutionary relationships among organisms is called ______. -
-phylogeny
-Starch is the primary storage food for all of the following except ______. - -
animals
-What is the maximum number of electrons in the second energy shell of an
atom? - -8
-A nutrient medium that has all of its chemical components identified and
their precise concentrations known and reproducible is termed ______. - -
defined
-The correct microbiological term for the sample of specimen that is put into
a nutrient medium to produce a culture is ______. - -inoculum
-The bacterium Neisseria gonorrhoeae causes the sexually-transmitted
infection gonorrhea. Although it can be isolated from the vagina, there are
numerous normal biota in that location as well. To generate a pure culture of
this pathogenic bacterium, the best choice is a(n) ______. - -selective
medium
