Bio 2010 - Microbiology » Summer 2023 » Chapter 4 Quiz
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Question #1
Which of the following is used to visualize live cells?
A.
Phase Contrast
B.
TEM
C.
SEM
D.
All of These
Question #2
A compound light microscope allows clear visualization of objects no smaller than a:
A.
small bacterium
B.
four leaf clover
C.
DNA molecule
D.
typical virus
E.
human cell
Question #3
The transmission electron microscope has the greatest resolving power because it uses an electron beam to view the sample instead of a light beam. The electron beam is used because:
A.
Electrons have shorter wavelengths than light waves
B.
Electrons have longer wavelengths than light waves
C.
Light waves are less visible.
D.
Electrons are less invasive
E.
Electrons do not penetrate the sample.
Question #4
Light of ____ wavelength typically will result in ____ resolving power.
A.
longer, better
B.
shorter, better
C.
shorter, worse
D.
any, poor
Question #5
The kind of electron microscope which is used to study internal structure of cells is:
A.
light microscope
B.
transmission electron microscope
C.
scanning electron microscope
D.
compound microscope
Question #6
A microscope that exposes specimens to ultraviolet light and forms an image with the light emitted at a different wavelength is called a __________ microscope.
A.
fluorescent
B.
phase contrast
C.
scanning electron
D.
darkfield
Question #7
You want to determine the location of a specific protein in a cell, using a color stain. Which of the following is the BEST type of microscopy to use?
A.
bright field microscopy
B.
phase contrast microsocpy
C.
electron microscopy
D.
dark field microscopy
E.
fluorescent microscopy
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