Table of contents

1. Introduction to Microbiology3h 22m
2. Disproving Spontaneous Generation1h 18m
3. Chemical Principles of Microbiology3h 38m
4. Water1h 28m
5. Molecules of Microbiology2h 23m
6. Cell Membrane & Transport3h 28m
7. Prokaryotic Cell Structures & Functions5h 52m
8. Eukaryotic Cell Structures & Functions2h 18m
9. Microscopes2h 46m
10. Dynamics of Microbial Growth4h 36m
11. Controlling Microbial Growth4h 10m
12. Microbial Metabolism5h 16m
13. Photosynthesis2h 31m
14. DNA Replication2h 25m
15. Central Dogma & Gene Regulation7h 14m
16. Microbial Genetics4h 44m
17. Biotechnology3h 0m
18. Viruses, Viroids, & Prions4h 56m
19. Innate Immunity7h 15m
20. Adaptive Immunity7h 14m
21. Principles of Disease6h 57m

9. Microscopes

Reviewing the Different Types of Microscopes

Microbiology

9. Microscopes

Reviewing the Different Types of Microscopes

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Which of the following is not a modification of a compound light microscope?
a. brightfield microscopy
b. darkfield microscopy
c. electron microscopy
d. phase-contrast microscopy
e. fluorescence microscopy

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Related Practice

Open Question

Label each photograph with the type of microscope used to acquire the image.

a. _______<IMAGE>

b. _______<IMAGE>

c. _______<IMAGE>

d. _______<IMAGE>

e. _______<IMAGE>

f. _______<IMAGE>

Open Question

Match the microscope with its function.

1. _____ Creates high contrast, 3D images of deep structures and time lapse images.
2. _____ Creates 2D images from a beam of electrons passing through a specimen.
3. _____ Creates images where the specimen's dense structures appear darker than the gray background.
4. _____ Allows the scientist to view stained or unstained specimens on a bright background.
5. _____ A light microscope with extremely high resolution.
6. _____ Creates 3D images from a beam of electrons scattering off a specimen's surface.
7. _____ Creates very detailed, high contrast, 3D images of live specimens.
8. _____ Allows the scientist to view specimens against a dark background.
9. _____ Creates high contrast, 3D images that show several planes of focus in the specimen.

Open Question

Which type of microscope would be best to use to observe each of the following?

a. a stained bacterial smear

b. unstained bacterial cells: the cells are small, and no detail is needed

c. unstained live tissue when it is desirable to see some intracellular detail

d. a sample that emits light when illuminated with ultraviolet light

e. intracellular detail of a cell that is 1μm long

f. unstained live cells in which intracellular structures are shown in color

Open Question

Three-dimensional images of live cells can be produced with

a. darkfield microscopy.

b. fluorescence microscopy.