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Procaryotic/Eucaryotic Chapter 2
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Another word for shape
Morphology
Round shaped are called__(nonmotile)
Cocci
Rod shaped are called
Bacilli
Spiral-curved shaped are called
Vibrio
Spiral-"S" shaped are called
Spirillium
True spiral shaped are called
Spirochete
Growth morphology of coccus
in pairs
Diplococci
Growth morphology of coccus
in chains
Streptococci
Growth morphology of coccus
in grape-like clusters
Staphylococci
T/F Growth morphology of bacilli typically have a pattern?
True
False
False
Most bacilli are motile by means of a__(not cilia)
Flagella
A gelatin layer that surrounds the cell wall
Glycocalyx
Thick glycocalyx is called
Capsules
Thin glycocalyx is called
Slime layer
Glycocalyx protects from:
Dehydration, phagocytosis of Eucaryotic(WBC attack), and chemicals(antibiotics)
The degree of severity of disease
Virulence
A bacterial structure that is used to propel bacteria in and aqueuos environment
Flagella
Has no flagella
Atrichous
Has one flagella at one pole
Monotrichous
has a tuft or 2 or more flagella at one pole
Lophotrichous
has one tuft or flagella at one pole
Amphitrichous
Has flagella surrounding it
Peritrichous
A bundle of fibers that rotate causing the bacteria to move (in spirochetes)
Axial filament
Short stub hairlike bacteria structure appendages of protein (not for movement but for adherence)
Pili
Examples of bacteria with capsules
Mycobacterium tuberculosis and Klebsiella pneumonia
__pili join bacteria for transfer of DNA
sex
Only Gram__cells have pili
Negative
THe cell wall helps to maintain__and__
Shape and protection
Chemical components of the cell wall are:
Peptidoglycan(starchy substance, Nitrogren compounds(NaG NaM), tiechoic acid(like fat), amino acids(held together by peptide bonds), carbohydrates and lipids
4 steps of the Gram Staining
Crystal violet(purple), iodine(color enhancer), 95%ethanol(decolorizer), safarin(red)
Gram positive organinsms are
purple
Gram negative organisms are
red/pink
Gram__organisms arent susceptible to penicillin
negative
Proteins secreted into the environment by bacteria
Exotoxins
Lsye(breakdown) RBC's
Hemolysin
Lyse(breakdown) WBC's
Leukocidin
An enzyme that hydrolyzes(dissolves) hyaluronic acid of connective tissue
Hyaluronidase
Hydrolyzes(dissolves) collagen
Collagenase
An enzyme that coagulates plasma to form fibrin clots
Coragulase
Lyses(dissolves) plasma clots
Streptokinase
Gram__cells have endotoxins only
Negative
Author
Kiarac
ID
67822
Card Set
Procaryotic/Eucaryotic Chapter 2
Description
MIcrobiology
Updated
2011-02-22T08:48:51Z
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