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Microbology

Study of small living organisms
-pacteria, special fungi like molds and yeast, protozoa, certain algea, viruses

Bacteria

one celled mivro organism enclosed by a cell walll

3 bacteria shapes

spherical spaed (cocci)
rod shpaed (bacilli)
spirochetes (spiral)

Aerobes

require oxygen to grow (destroyed if there is no oxygen)

anaerobes

grows without osygen present (destroyed by oxygen)

facultative anaerobes

grow in both stages with and without osygen

Gram stain

analyze and identify bacteria using special dye and divides bacteria into two groups

gram positive

blue/purple color

gram negative

pink/red

Capsule

fromed by bacteria / protective layer covering the call wall
-resist the defense mechanism
-may prevent antibiotics from working and are generally virulant

virulant

causing serious disease

spores

highly resistant single celled
-hibernate, inactive
most resistant form of life

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