bacteria without a cell wall
Ex: Mycopllamsa, ureaplamsa
Mendosicutes
archaebacteria
size of microorganism
a smaller cell has a greater surface to volume ratio than a larger cell; greater surface
area available to service a smaller volume
this allows a small cell to transport nutrients across the membrane at a significantly faster rate,
consequently the small cell has faster metabolic rate.
coccus (cocci)
greek word for berry
spherical bacteria
Bacillus (bacilli)
latin for little staff
rod shaped bacteria
spirillum
latin for little coil
rigid curved or spiral shaped cylinder bacteria
greek for coil of long hair
slender flexible spirals
filamentous
form long multinucleated filaments or hyphae that may branch to produce mycelium
pleomorphic
many bacteria are variable in shape and cannot be characterized by a single form
- generally assume the rod shape form, but can also form stars, squares, and cocco-bacilli
diplococci
formed by cells that divide in one plane to form pairs
- meaning two
streptococci
formed by cells that divide on a single plane to form CHAINS of three or more cells
tetrads
formed when cells divide into two planes to generate four cells
sheets
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