Microbiology Lab Part one

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38 Terms

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Base of microscope

supports the microscope

<p>supports the microscope</p>
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Stage of microscope

A platform for holding slides

<p>A platform for holding slides</p>
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stage adjustment knobs

Used to move slide on stage

<p>Used to move slide on stage</p>
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Illuminator

Provides the source of light located at the base.

<p>Provides the source of light located at the base.</p>
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iris diaphragm

Adjusts the amount of light that reaches the specimen.

<p>Adjusts the amount of light that reaches the specimen.</p>
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Objective lenses

Magnify 10x 40x 100x

<p>Magnify 10x 40x 100x</p>
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Abbe condenser

collects and concentrates light upward through the object on stage.

<p>collects and concentrates light upward through the object on stage.</p>
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Rheostat control knob

Controls light emitted from light bulb.

<p>Controls light emitted from light bulb.</p>
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coarse adjustment knob

Allows stage or nosepiece to be raised/lowered.

<p>Allows stage or nosepiece to be raised/lowered.</p>
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Coccus

A spherical bacterium.

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Rod

A cylindrical bacterium.

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Cell division of E.coil

Doubles every 20 minutes 2-4-8-16-32.

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Bacterial staining

Tells cell wall structure.

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Gram positive

Purple Color.

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Gram negative

Pink Color.

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Escherichia coli

is Gram negative/Pink. Clustered.

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Bacillus Subtills

Gram positive/purple. Rod shaped.

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Staphylococcus epidermidis

Gram positive/purple. Grape-like clusters.

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Facultative Anaerobe

Growth throughout tube.

<p>Growth throughout tube.</p>
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Aerobe

Growth of surface only.

<p>Growth of surface only.</p>
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Anaerobe

Growth at bottom only.

<p>Growth at bottom only.</p>
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Microaerophile

Growth in the middle of tube.

<p>Growth in the middle of tube.</p>
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Microaerophille(puff balls)

Growth forms puff balls layered below surface.

<p>Growth forms puff balls layered below surface.</p>
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Vibrio

A short curved rod

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Spirillium

A curved rod long enough to form spirals.

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Spirochete

A long spiral shaped cell with flexible cell wall.

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Physical Antimicrobial Agent-

Sterilization

Total destruction of living cells. Example is Autoclaving (using steam under pressure)

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Physical Antimicrobial Agent-

Heat

Most effective against bacteria.

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Physical Antimicrobial Agent-

Filtration

Can sterilize from the air.

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Chemical antimicrobial agent-

Disinfectants

Used to kill microbes on nonliving surfaces. Example is lysol spray

<p>Used to kill microbes on nonliving surfaces. Example is lysol spray</p>
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Physical Antimicrobial Agent-

Antiseptics

Used to kill microbes on skin. Example is Soap.

<p>Used to kill microbes on skin. Example is Soap.</p>
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Antibotics

Given to patients to treat infectious disease.

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Antibiotic-

Penicillin

Inhabits bacterial cell wall synthesis.

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Antibiotic-

Amoxicillin

Updated version of penicillin.

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Antibiotic-

Streptomycin

Effective for both Gram positive and negative bacteria.

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Antibiotic-

Azithromycin

Binds to the 50s subunit of bacterial ribosome.

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Antibiotic-

Tetracycline

Inhibits protein synthesis of prokaryotes.

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Diameter

Measuring whole circle.

<p>Measuring whole circle.</p>