12 terms

block 4

STUDY
PLAY
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