Bio-425 Final Exam Questions with correct
Answers
Mycology is the study of - correct answers✔✔ Fungi
Viruses are considered non-living due to their - correct answers✔✔ inability to replicate
outside of host cells
Which of following fields can be considered BOTH basic & applied microbiology - correct
answers✔✔ Genetics
The _______ technique is used to handle bacterial cultures without comtamination - correct
answers✔✔ 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 _______ - correct answers✔✔ Molecular
_________ was the first to desrcibe microogansims (fungi) in 1665, while _________ was the
first to view bacteria (wee animalcules) in 1684 - correct answers✔✔ Robert Hooke/ Antoni
van Leeuwenhoek
Kary Mullis developed the _______ technqiue in 1988 - correct answers✔✔ 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 - correct answers✔✔ 4,1,3,2
The developemtn of new products, technologies and processes based on biological systems is
called __________ - correct answers✔✔ Biotechnology
____________ is limited by the resovoling power (resolution) of a microscope - correct
answers✔✔ Useful Magnification
Oil-immersion lenses permit better resolution by increasing the ___________ of a microscope
- correct answers✔✔ numerical aperture
___________ is an example of a basic stain, attaching and increasing the contrast nearly all
bacterial cells in a sample - correct answers✔✔ Crystal Violet
Gram negative bacterial cells appear ________ following a Gram Stain procedure, due to
___________ - correct answers✔✔ Pink, due to the counterstain safranin
Phase-Contrast and __________ microscope permit visualization of unstained bacteria by
enchancing contrast - correct answers✔✔ Dark-Field
An advantage of using phase-contrast microscopy over basic light microscopy of stained cells
is __________ - correct answers✔✔ Ability to view live cells
Electron microscope achieve higher magnifcation than light microscopes because _______ -
correct answers✔✔ Electron beams have smaller wavelengths than visible light
, _______ electron microscopes produce high resolution, 2 dimensional images that include
internal features of cells - correct answers✔✔ Transmission electron
Bye-Bye Biolfilms - correct answers✔✔ COnfocal Laser Scanning Microscopy
In 2008, Nassa launched - correct answers✔✔ AFM's do not require any sample preparation
to obtain images
The genus name Staphylococcus indicates that these cells are - correct answers✔✔ circular
and clustered
Pairs of spherical shaped bacteria are called - correct answers✔✔ Diplococcus
The cytoplasmic membranes of Achaea differ from Bacteria in all aspects EXCEPT - correct
answers✔✔ Function
Which of the following is NOT a primary function of the cytoplasmic membrane - correct
answers✔✔ 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 - correct answers✔✔ Phosphoenolpyruvate
_____ are charged molecules that are partially responsible for the ______ charge of the gram-
positive bacterial cell surface - correct answers✔✔ Teichoic acids, negative
Answers
Mycology is the study of - correct answers✔✔ Fungi
Viruses are considered non-living due to their - correct answers✔✔ inability to replicate
outside of host cells
Which of following fields can be considered BOTH basic & applied microbiology - correct
answers✔✔ Genetics
The _______ technique is used to handle bacterial cultures without comtamination - correct
answers✔✔ 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 _______ - correct answers✔✔ Molecular
_________ was the first to desrcibe microogansims (fungi) in 1665, while _________ was the
first to view bacteria (wee animalcules) in 1684 - correct answers✔✔ Robert Hooke/ Antoni
van Leeuwenhoek
Kary Mullis developed the _______ technqiue in 1988 - correct answers✔✔ 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 - correct answers✔✔ 4,1,3,2
The developemtn of new products, technologies and processes based on biological systems is
called __________ - correct answers✔✔ Biotechnology
____________ is limited by the resovoling power (resolution) of a microscope - correct
answers✔✔ Useful Magnification
Oil-immersion lenses permit better resolution by increasing the ___________ of a microscope
- correct answers✔✔ numerical aperture
___________ is an example of a basic stain, attaching and increasing the contrast nearly all
bacterial cells in a sample - correct answers✔✔ Crystal Violet
Gram negative bacterial cells appear ________ following a Gram Stain procedure, due to
___________ - correct answers✔✔ Pink, due to the counterstain safranin
Phase-Contrast and __________ microscope permit visualization of unstained bacteria by
enchancing contrast - correct answers✔✔ Dark-Field
An advantage of using phase-contrast microscopy over basic light microscopy of stained cells
is __________ - correct answers✔✔ Ability to view live cells
Electron microscope achieve higher magnifcation than light microscopes because _______ -
correct answers✔✔ Electron beams have smaller wavelengths than visible light
, _______ electron microscopes produce high resolution, 2 dimensional images that include
internal features of cells - correct answers✔✔ Transmission electron
Bye-Bye Biolfilms - correct answers✔✔ COnfocal Laser Scanning Microscopy
In 2008, Nassa launched - correct answers✔✔ AFM's do not require any sample preparation
to obtain images
The genus name Staphylococcus indicates that these cells are - correct answers✔✔ circular
and clustered
Pairs of spherical shaped bacteria are called - correct answers✔✔ Diplococcus
The cytoplasmic membranes of Achaea differ from Bacteria in all aspects EXCEPT - correct
answers✔✔ Function
Which of the following is NOT a primary function of the cytoplasmic membrane - correct
answers✔✔ 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 - correct answers✔✔ Phosphoenolpyruvate
_____ are charged molecules that are partially responsible for the ______ charge of the gram-
positive bacterial cell surface - correct answers✔✔ Teichoic acids, negative
