BIO 425 FINAL QUESTIONS & ANSWERS
Mycology is the study of - Answer -Fungi
Viruses are considered non-living due to their - Answer -inability to replicate outside of
host cells
Which of following fields can be considered BOTH basic & applied microbiology -
Answer -Genetics
The _______ technique is used to handle bacterial cultures without comtamination -
Answer -aseptic
You are working for a biotech company that is seatching for new species of bacteria.
You are tasked with desrcibing ALL bacteria living in the hot sptrings of Yellowstone
Park. Best tehcnique to use is _______ - Answer -Molecular
_________ was the first to desrcibe microogansims (fungi) in 1665, while _________
was the first to view bacteria (wee animalcules) in 1684 - Answer -Robert Hooke/
Antoni van Leeuwenhoek
Kary Mullis developed the _______ technqiue in 1988 - Answer -Polymerase Chain
Reaction
Place following historical events in microbiology in chronological order:
1.First use of antiseptics in hospitals
2. First bacterial genome sequenced
3. First Antibiotic discovered
4. First microoganism described - Answer -4,1,3,2
The developemtn of new products, technologies and processes based on biological
systems is called __________ - Answer -Biotechnology
____________ is limited by the resovoling power (resolution) of a microscope - Answer
-Useful Magnification
Oil-immersion lenses permit better resolution by increasing the ___________ of a
microscope - Answer -numerical aperture
___________ is an example of a basic stain, attaching and increasing the contrast
nearly all bacterial cells in a sample - Answer -Crystal Violet
Gram negative bacterial cells appear ________ following a Gram Stain procedure, due
to ___________ - Answer -Pink, due to the counterstain safranin
, Phase-Contrast and __________ microscope permit visualization of unstained bacteria
by enchancing contrast - Answer -Dark-Field
An advantage of using phase-contrast microscopy over basic light microscopy of
stained cells is __________ - Answer -Ability to view live cells
Electron microscope achieve higher magnifcation than light microscopes because
_______ - Answer -Electron beams have smaller wavelengths than visible light
_______ electron microscopes produce high resolution, 2 dimensional images that
include internal features of cells - Answer -Transmission electron
Bye-Bye Biolfilms - Answer -COnfocal Laser Scanning Microscopy
In 2008, Nassa launched - Answer -AFM's do not require any sample preparation to
obtain images
The genus name Staphylococcus indicates that these cells are - Answer -circular and
clustered
Pairs of spherical shaped bacteria are called - Answer -Diplococcus
The cytoplasmic membranes of Achaea differ from Bacteria in all aspects EXCEPT -
Answer -Function
Which of the following is NOT a primary function of the cytoplasmic membrane -
Answer -Energy conservation
Structural Support
Selective permeability
Protein Anchor
=All of the Above
Instead of using ATP, the phosphotransferase system uses ______ as the energy
source to transport glucose into the cell - Answer -Phosphoenolpyruvate
_____ are charged molecules that are partially responsible for the ______ charge of the
gram-positive bacterial cell surface - Answer -Teichoic acids, negative
The outer membrane of Gram negative bacteria is a lipid bilayer composed of
phospholipids on the interior and _____ on the exterior. - Answer -lipopolysaccharides
You have discovered a new coccoid-shaped microorganism with a diameter of 2um, no
nucleus and rigid cell wall that does NOT contain peptidoglycan. The new microoganism
is most likely an ______ - Answer -Archaeon
Mycology is the study of - Answer -Fungi
Viruses are considered non-living due to their - Answer -inability to replicate outside of
host cells
Which of following fields can be considered BOTH basic & applied microbiology -
Answer -Genetics
The _______ technique is used to handle bacterial cultures without comtamination -
Answer -aseptic
You are working for a biotech company that is seatching for new species of bacteria.
You are tasked with desrcibing ALL bacteria living in the hot sptrings of Yellowstone
Park. Best tehcnique to use is _______ - Answer -Molecular
_________ was the first to desrcibe microogansims (fungi) in 1665, while _________
was the first to view bacteria (wee animalcules) in 1684 - Answer -Robert Hooke/
Antoni van Leeuwenhoek
Kary Mullis developed the _______ technqiue in 1988 - Answer -Polymerase Chain
Reaction
Place following historical events in microbiology in chronological order:
1.First use of antiseptics in hospitals
2. First bacterial genome sequenced
3. First Antibiotic discovered
4. First microoganism described - Answer -4,1,3,2
The developemtn of new products, technologies and processes based on biological
systems is called __________ - Answer -Biotechnology
____________ is limited by the resovoling power (resolution) of a microscope - Answer
-Useful Magnification
Oil-immersion lenses permit better resolution by increasing the ___________ of a
microscope - Answer -numerical aperture
___________ is an example of a basic stain, attaching and increasing the contrast
nearly all bacterial cells in a sample - Answer -Crystal Violet
Gram negative bacterial cells appear ________ following a Gram Stain procedure, due
to ___________ - Answer -Pink, due to the counterstain safranin
, Phase-Contrast and __________ microscope permit visualization of unstained bacteria
by enchancing contrast - Answer -Dark-Field
An advantage of using phase-contrast microscopy over basic light microscopy of
stained cells is __________ - Answer -Ability to view live cells
Electron microscope achieve higher magnifcation than light microscopes because
_______ - Answer -Electron beams have smaller wavelengths than visible light
_______ electron microscopes produce high resolution, 2 dimensional images that
include internal features of cells - Answer -Transmission electron
Bye-Bye Biolfilms - Answer -COnfocal Laser Scanning Microscopy
In 2008, Nassa launched - Answer -AFM's do not require any sample preparation to
obtain images
The genus name Staphylococcus indicates that these cells are - Answer -circular and
clustered
Pairs of spherical shaped bacteria are called - Answer -Diplococcus
The cytoplasmic membranes of Achaea differ from Bacteria in all aspects EXCEPT -
Answer -Function
Which of the following is NOT a primary function of the cytoplasmic membrane -
Answer -Energy conservation
Structural Support
Selective permeability
Protein Anchor
=All of the Above
Instead of using ATP, the phosphotransferase system uses ______ as the energy
source to transport glucose into the cell - Answer -Phosphoenolpyruvate
_____ are charged molecules that are partially responsible for the ______ charge of the
gram-positive bacterial cell surface - Answer -Teichoic acids, negative
The outer membrane of Gram negative bacteria is a lipid bilayer composed of
phospholipids on the interior and _____ on the exterior. - Answer -lipopolysaccharides
You have discovered a new coccoid-shaped microorganism with a diameter of 2um, no
nucleus and rigid cell wall that does NOT contain peptidoglycan. The new microoganism
is most likely an ______ - Answer -Archaeon
