MICROBIOLOGY FINAL
STRAIGHTERLINE, STRAIGHTERLINE
MICRO 250 FINAL PREP 2026/2027
[NEWEST!!!]
lipid
One technique for staining bacteria for viewing under the microscope is called the
Gram stain. In this technique, alcohol is used as a decolorizer because it degrades
the outer membrane found in some bacteria. What chemical component of the
cell does alcohol affect?
95X
If a microbiologist is studying a specimen at a total magnification of 950X, what is
the magnifying power of the objective lens if the ocular lens is 10X?
cell size of 0.5 to 2 microns
NASA has published a list of criteria for identifying fossil bacteria in samples from
Mars, as part of a search for evidence of life. Which of the following is good
evidence for the presence of bacterial cells?
Electron
An organism that cannot tolerate an oxygen environment is a(n) ______.
saturated
A fat is called _____ if all carbons of the fatty acid chain are single-bonded to 2
other carbons and 2 hydrogens.
mycobacterium
A bacterial genus that has waxy mycolic acid in the cell walls is ______.
macronutrients
Microorganisms require large quantities of ______ for use in cell structure and
metabolism.
,animals
Starch is the primary storage food for all of the following except ______.
contain unique, waxy lipids
Mycobacterium and Nocardia are different from most gram-positive bacteria in
that their cell walls
only one identified species of microorganism
A pure culture contains
contain microtubules
Eukaryotic flagella differ from bacterial flagella because only eukaryotic flagella
attracted to the acidic surface of bacterial cells
Basic dyes are
Trypanosoma
A protozoan having a flagellum would be classified in the genus ______.
frameshift
The most serious type of mutation is a ______ mutation.
Viruses are smaller than bacterial or archaeal cells, but larger than
macromolecules.
Eukaryotic cells are larger than bacterial or archaeal cells; all cells are larger than
macromolecules. Where do viruses fit on this scale?
hydrogens and electrons
FAD, NADP, NAD, and coenzyme A are all carriers of ________.
primary
During which response to the antigen do we display a latent period of no
secretory antibody synthesis?
antisepsis
,The alcohol wipe used on a patient's skin before an injection is an example of
______.
stem cells give rise to immature lymphocytes
The embryonic yolk sac, the liver, and the bone marrow are sites where
interferon
Which protein can be produced by a virus-infected cell, in order to communicate
with other cells that need to produce antiviral proteins?
a disease or morbid process
The suffix -osis means ______.
known antibody binding to an unknown antigen
A direct immunofluorescence test involves a(n)
intoxication
Bacterial toxins are chemical products made by bacteria. A person ingests some
honey containing Clostridium botulinum. The C. botulinum is actively growing and
releases toxin in the honey. The person becomes ill from ingesting the toxin. This
is an example of a/an ______
type 1 only
Atopy and anaphylaxis are hypersensitivities in the category(ies)
allergic rhinitis
A seasonal reaction to inhaled allergens is ______
They serve as transcription factors to initiate antibody production.
Which of the following statements does not represent the role of a cell marker in
the third line of defense?
clavulanic acid
A chemical that inhibits beta-lactamase enzymes is ______.
helminthic
, Mebendazole, thiabendazole, and ivermectin are drugs used to treat _____
infections.
the target organisms but not vertebrate cells.
Selective toxicity refers to damage to
viruses
Considering the diseases and conditions described in this chapter, those
transmitted by respiratory droplets are caused by ______.
Streptococcus agalactiae
phylogeny
The study of evolutionary relationships among organisms is called ______.
Last Universal Common Ancestor
The three cell types discussed, eukaryotes, archaea, and bacteria, all derived from
______.
always harmful to their host
Organisms called parasites are ______.
Thermal hot springs warmed by heat from earth's interior
Which of the following does not indicate microbe involvement in energy and
nutrient flow?
Electrons
The subatomic particles that surround the nucleus are the ______.
respiratory disease
The number one worldwide infectious diseases are ______.
saturated
A fat is called _____ if all carbons of the fatty acid chain are single-bonded to 2
other carbons and 2 hydrogens.
STRAIGHTERLINE, STRAIGHTERLINE
MICRO 250 FINAL PREP 2026/2027
[NEWEST!!!]
lipid
One technique for staining bacteria for viewing under the microscope is called the
Gram stain. In this technique, alcohol is used as a decolorizer because it degrades
the outer membrane found in some bacteria. What chemical component of the
cell does alcohol affect?
95X
If a microbiologist is studying a specimen at a total magnification of 950X, what is
the magnifying power of the objective lens if the ocular lens is 10X?
cell size of 0.5 to 2 microns
NASA has published a list of criteria for identifying fossil bacteria in samples from
Mars, as part of a search for evidence of life. Which of the following is good
evidence for the presence of bacterial cells?
Electron
An organism that cannot tolerate an oxygen environment is a(n) ______.
saturated
A fat is called _____ if all carbons of the fatty acid chain are single-bonded to 2
other carbons and 2 hydrogens.
mycobacterium
A bacterial genus that has waxy mycolic acid in the cell walls is ______.
macronutrients
Microorganisms require large quantities of ______ for use in cell structure and
metabolism.
,animals
Starch is the primary storage food for all of the following except ______.
contain unique, waxy lipids
Mycobacterium and Nocardia are different from most gram-positive bacteria in
that their cell walls
only one identified species of microorganism
A pure culture contains
contain microtubules
Eukaryotic flagella differ from bacterial flagella because only eukaryotic flagella
attracted to the acidic surface of bacterial cells
Basic dyes are
Trypanosoma
A protozoan having a flagellum would be classified in the genus ______.
frameshift
The most serious type of mutation is a ______ mutation.
Viruses are smaller than bacterial or archaeal cells, but larger than
macromolecules.
Eukaryotic cells are larger than bacterial or archaeal cells; all cells are larger than
macromolecules. Where do viruses fit on this scale?
hydrogens and electrons
FAD, NADP, NAD, and coenzyme A are all carriers of ________.
primary
During which response to the antigen do we display a latent period of no
secretory antibody synthesis?
antisepsis
,The alcohol wipe used on a patient's skin before an injection is an example of
______.
stem cells give rise to immature lymphocytes
The embryonic yolk sac, the liver, and the bone marrow are sites where
interferon
Which protein can be produced by a virus-infected cell, in order to communicate
with other cells that need to produce antiviral proteins?
a disease or morbid process
The suffix -osis means ______.
known antibody binding to an unknown antigen
A direct immunofluorescence test involves a(n)
intoxication
Bacterial toxins are chemical products made by bacteria. A person ingests some
honey containing Clostridium botulinum. The C. botulinum is actively growing and
releases toxin in the honey. The person becomes ill from ingesting the toxin. This
is an example of a/an ______
type 1 only
Atopy and anaphylaxis are hypersensitivities in the category(ies)
allergic rhinitis
A seasonal reaction to inhaled allergens is ______
They serve as transcription factors to initiate antibody production.
Which of the following statements does not represent the role of a cell marker in
the third line of defense?
clavulanic acid
A chemical that inhibits beta-lactamase enzymes is ______.
helminthic
, Mebendazole, thiabendazole, and ivermectin are drugs used to treat _____
infections.
the target organisms but not vertebrate cells.
Selective toxicity refers to damage to
viruses
Considering the diseases and conditions described in this chapter, those
transmitted by respiratory droplets are caused by ______.
Streptococcus agalactiae
phylogeny
The study of evolutionary relationships among organisms is called ______.
Last Universal Common Ancestor
The three cell types discussed, eukaryotes, archaea, and bacteria, all derived from
______.
always harmful to their host
Organisms called parasites are ______.
Thermal hot springs warmed by heat from earth's interior
Which of the following does not indicate microbe involvement in energy and
nutrient flow?
Electrons
The subatomic particles that surround the nucleus are the ______.
respiratory disease
The number one worldwide infectious diseases are ______.
saturated
A fat is called _____ if all carbons of the fatty acid chain are single-bonded to 2
other carbons and 2 hydrogens.
