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58 Cards in this Set

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  • Back
name the 5 types of eukaryotes
animals
plants
fungi
algae
protozoa
name the 2 types of prokaryotes
bacteria
archaeobacteria
characteristics of eukaryotes
nucleus
membrane organelles
single cell wall with NO peptidoglycan
80 S subunit
mitosis and meiosis
phagocytosis and pinocytosis
characteristics of prokaryotes
no nucleus
no membrane bound organelles
complex cell with peptidoglycan
70 s subunit
no mitosis, meiosis, phago or pino cytosis
GRAM POSITIVE bacteria
+hick peptidoglycan

+echoic acid

negatively charged

stains Purple
GRAM NEGATIVE bacteria
thin peptidoglycan

LPS

Lipid A

O chain

core polysaccharide

negative charge

stains RED
what is lipid A in gram negative bacteria
endotoxin
what is the O side chain
it is an antigen
gram positive stains
P is for Purple
gram negative stains
Red
mode of reproduction for bacteria
binary fission
bacterial life cycle stages
Initiation - cell enlongates

C period - chromosome replicate

D - division
what happens in binary fission
plasma membrane pinshes in pulling cell wall, cell wall thickens and becomes divider for new cell
lag phase
active growth

no division
log phase
growth and division

peak of activity
death phase
population declines, dead>living
which phase are antibiotics most effective
log phase
aerobic organisms
require oxygen, die without it
anaerobic organisms
do not need oxygen, die if oxygen present
facultative anaerobes
do fine without oxygen but even better with oxygen
spores are formed by what type of bacteria gram positive or negative
poSitive

S = spores
spore fxn
protection from harsh env conditions
resistant genes are expressed by bacteria when
only in presence of antibiotic
describe bacterial chromosomes
circular
plasmids carry
genes
gram positive cocci
staph aureus
staph epidermidis
strep pyrogenes
strep pneumonia

PEAP
gram positive rods
bacillus anthrax
clostridium
corynebacterium diptheriae

BCC
gram negative rods
psuedomonas
haemophilus influenzae
moraxella
e. coli
klebsiella
proteus
serratia

KHEMPPS
gram negative cocci
neiserria gonorrhae
neiserria menigitis
neiserria catarallis
bordatella

GMCB
other bacteria not classified by gram stain
actinomycetes
mycobacterium

AM
staph aureus is what
gram + cocci
catalase positive
coagulase positive
catalase test is used to differentiate what
staph from strep
coagulase test is used to differentiate
staph aureus from staph epidermidis
staph is catalse ________
POSITIVE
strep is catalase ___________
NEGATIVE
staph aureus is coagulase ___
POSITIVE

A+
staph epidermidis is coagulase
NEGATIVE
staph aureus causes
skin infections
toxic shock syndrome
food poisoning
bleph
keratitis
hordeola
endocarditis
what causes punctate keratitis of lower cornea
staph aureus exotoxins
toxic shock syndrome is due to
staph aureus

tampons and food poisoning
staph epidermidis is
gram + cocci
catalse +
coagulase -
non motile
parasitic
staph epidermidis causes
skin infections
endocarditis
strep pyogenes
gram + cocci
non motile
catalase negative
what does strep pyrogenes cause
pharyngitis
meningitis
otitis
orbital cellulitis
uveitis
conjunctivitis
strep pneumonia
gram + cocci
non motile
facultative anaerobe
strep pneumonia causes
COP

conjunctivitis
corneal ulcers
pneumonia
bacillus anthrax
gram + rod
forms spores
aerobic
non motile

cause anthrax- cipro tx
clostridium
gram + rod
motile except c. perfringens
c. pergringens
gas gangrene

only one that is non motile
c. botulinum
botulism
c. tetani
tetanus
corynebacterium diptheriae
club shaped

gram + rods

non motuke

aerobic

causes diptheria
pseudomonas aeruginosa
Aerobic
Rod
Ulcer - penetrates cornea in 24hrs
Green/blue pigment
Negative gram stain
Odor - grape juice and OXIDASE positive
S
A
psuedomonas is causes what and is common in what patients
red painful eye with lid involvement

corneal ulcers

CL wears
what do we treat pseudomonas ulcer with
fluroquinolones
haemophilus influenzae
gram - rod
non motile
haemophilus influenzae causes
sinusitis
otitis media
respiratory infections
what does haemophilus influenzae cause in the eye
acute contagious mucupurulent conjunctivitis with itching and swollen red lids