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Microbiology Study Guide: Microscopy, Bacteria, Fungi & Antibiotics

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14 pages

2026/2027

Institution Medical Microbiology

Course Medical Microbiology

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Microbiology Study Guide: Microscopy, Bacteria, Fungi & Antibiotics

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Key
Key Concepts_
Concepts_
Concepts_ Microscopy,
Microscopy,
Microscopy, Bacteria,
Bacteria,
Bacteria, Fungi,
Fungi,
Fungi, and
and
and Antibiotics.pdf10/20/2026,
Antibiotics.pdf10/20/2026,
Antibiotics.pdf10/20/2026, 4:09:33
4:09:33
4:09:33 AM
AM
AM

Terms in this set (84)

Parfocal The specimen remains in focus when switching
objective lenses

Total magnification formula Ocular lens × Objective lens

Magnification with 10x ocular and 400x
40x objective

Magnification with 10x ocular and 1000x
100x objective

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Key
Key Concepts_
Concepts_ Microscopy,
Microscopy, Bacteria,
Bacteria, Fungi,
Fungi, and
and Antibiotics.pdf10/20/2026,
Antibiotics.pdf10/20/2026, 4:09:33
4:09:33
Key Concepts_
AM
AM Mic

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Key
Key Concepts_
Concepts_
Concepts_ Microscopy,
Microscopy,
Microscopy, Bacteria,
Bacteria,
Bacteria, Fungi,
Fungi,
Fungi, and
and
and Antibiotics.pdf10/20/2026,
Antibiotics.pdf10/20/2026,
Antibiotics.pdf10/20/2026, 4:09:33
4:09:33
4:09:33 AM
AM
AM

Resolution Ability to distinguish two close objects as separate

4 ways to improve resolution Shorter wavelength, increase numerical aperture,
immersion oil, increase light through condenser

Immersion oil purpose Reduces light refraction and increases resolution

When is immersion oil used With the 100x objective

Ubiquity definition Bacteria are found everywhere in the environment

Bacterial growth in broth Turbidity, pellicle, sediment

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Key
Key Concepts_
Concepts_ Microscopy,
Microscopy, Bacteria,
Bacteria, Fungi,
Fungi, and
and Antibiotics.pdf10/20/2026,
Antibiotics.pdf10/20/2026, 4:09:33
4:09:33
Key Concepts_
AM
AM Mic

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Uploaded on: October 20, 2026
Number of pages: 14
Written in: 2026/2027
Type: Exam (elaborations)
Contains: Questions & answers

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