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ANAT & PHYS I: bacte

BACTERIAL STRUCTURE, STAINING, AND CULTURE

QuestionAnswer
bacillus(s); bacilli(p) Rods
coccus(s), cocci(p) Spheres
vibrios (curved rods) Spirals
single flagellum Monotrichous
2 or more at one pole Lophotrichous
groups of flagella at both ends Amphitrichous
covered with flagella Peritrichous
Short appendages used for transfer of genetic material or anchoring to surfaces pili
composed of a polysaccharide and protein layer. They are secreted by thecell and adhere to the surface of the bacteria CAPSULES
The Gram staining procedure is an example of a differential stain
is often the starting point for identification of an unknown bacteria Gram stain
will retain the purple color of the primary stain (Crystal Violet) Gram-positive
organism that will take up the red color of the counterstain (Safranin Red). Gram-negative
Created by: ascpstudent100