anaphy
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1
Who invented the microscope?
Anton Van Leeuwenhoek
2
What is microscopy used for?
Visualizing structures too small for the naked eye
3
What are the two general categories of microscopes?
Light microscope and Electron microscope
4
What does a light microscope use to illuminate the object?
Beams of light
5
What does a bright-field microscope show?
Dark specimen on a bright background
6
What is a dark-field microscope used for?
Viewing unstained, thin living cells
7
What is the function of a phase-contrast microscope?
Creating contrast between cell and water
8
What is a fluorescent microscope used for?
Identifying pathogens and locating specific proteins
9
What illuminates the object in an electron microscope?
Beams of electrons
10
Where do you look into a microscope?
Ocular or eyepiece
11
What is the draw tube?
Part where the eyepiece is inserted
12
What does the body tube do?
Holds eyepiece and objectives at proper distance
13
What does the coarse adjustment knob do?
Moves the body tube up or down for focusing
14
What does the fine adjustment knob do?
Brings specimen to sharp focus slightly
15
What does the dust shield protect?
The objectives from dust
16
What is the revolving nosepiece?
Holds and rotates objectives
17
What are objectives in a microscope?
Tubes with lenses of different magnifications
18
What is the magnification of a scanner objective?
4X
19
What is the magnification of LPO?
10X
20
What is the magnification of HPO?
40X
21
What is the magnification of OIO?
100X
22
What is the stage of a microscope?
Flat area where slide is placed
23
What is the stage aperture?
Opening in stage that lets in light
24
What are stage clips for?
Holding the slide in place
25
What is the arm of a microscope?
Supports body tube and used to carry microscope
26
What does the mirror do?
Directs light to illuminate specimen
27
What is the pillar of a microscope?
Supports and connects the base
28
What does the diaphragm do?
Regulates amount of light passing through specimen
29
What is the inclination joint?
Allows microscope to be tilted
30
What is the base of a microscope?
Bottom part supporting the structure
31
How do you calculate total magnification?
Eyepiece magnification × Objective magnification
32
What is the total magnification of OIO with eyepiece?
1000X
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