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.
TEM
B.
Phase Contrast
C.
All of These
D.
SEM
Question #2
A compound light microscope allows clear visualization of objects no smaller than a:
A.
human cell
B.
small bacterium
C.
typical virus
D.
four leaf clover
E.
DNA molecule
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 longer wavelengths than light waves
B.
Electrons are less invasive
C.
Electrons have shorter wavelengths than light waves
D.
Light waves are less visible.
E.
Electrons do not penetrate the sample.
Question #4
Light of ____ wavelength typically will result in ____ resolving power.
A.
longer, better
B.
any, poor
C.
shorter, better
D.
shorter, worse
Question #5
The kind of electron microscope which is used to study internal structure of cells is:
A.
transmission electron microscope
B.
light microscope
C.
compound microscope
D.
scanning electron 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.
phase contrast
B.
fluorescent
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.
fluorescent microscopy
D.
dark field microscopy
E.
electron microscopy
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