Lecture - 2 - Microorganisms, Growth, Transmission, Etc Flashcards
Lecture - 2 - Microorganisms, Growth, Transmission, Etc
Most bacteria can be seen
under a microscope
Lecture - 2 - Microorganisms, Growth, Transmission, Etc
A few bacteria can be seen
electron microscope
Lecture - 2 - Microorganisms, Growth, Transmission, Etc
bacteria generally need ______ to thrive
water/moisture
Lecture - 2 - Microorganisms, Growth, Transmission, Etc
thrive means
grow and reproduce
Lecture - 2 - Microorganisms, Growth, Transmission, Etc
what is needed for bacteria to colonize
a lot of them
Lecture - 2 - Microorganisms, Growth, Transmission, Etc
what leads bacteria to becoming pathogenic
colonization
Lecture - 2 - Microorganisms, Growth, Transmission, Etc
how are bacteria names
Genus/species
underlined or bolded with Genus capitalized
Lecture - 2 - Microorganisms, Growth, Transmission, Etc
Some bacteria are part of
“normal flora”
Lecture - 2 - Microorganisms, Growth, Transmission, Etc
what relationship do we have with our GI tract flora
symbiotic
Lecture - 2 - Microorganisms, Growth, Transmission, Etc
If our GI tract flora in the wrong place what occurs
can cause disease
Lecture - 2 - Microorganisms, Growth, Transmission, Etc
some bacteria are strictly
pathogenic
Lecture - 2 - Microorganisms, Growth, Transmission, Etc
opportunistic bacteria are
ones that take advantage of our body when a barrier is broken (skin) or our defenses are low (immune disorders)
Lecture - 2 - Microorganisms, Growth, Transmission, Etc
how are bacteria named
shape
grouping
Lecture - 2 - Microorganisms, Growth, Transmission, Etc
shapes: coccus bacillus vibrio spirochete spirillum
meaning: spherical rod shaped comma shaped spiral spiral
Lecture - 2 - Microorganisms, Growth, Transmission, Etc
grouping:
diplo
strepto
staphylo
meaning:
groups of two
chain
grapelike
Lecture - 2 - Microorganisms, Growth, Transmission, Etc
bacteria can be divided into ___ groups
2
Lecture - 2 - Microorganisms, Growth, Transmission, Etc
what are 2 groups of bacteria
Gram+
Gram -
Lecture - 2 - Microorganisms, Growth, Transmission, Etc
gram is
staining method
Lecture - 2 - Microorganisms, Growth, Transmission, Etc
gram+ appear
purple/blueish
Lecture - 2 - Microorganisms, Growth, Transmission, Etc
gram- appear
reddish
Lecture - 2 - Microorganisms, Growth, Transmission, Etc
_____ is a toxin released outside the bacteria
exotixin
Lecture - 2 - Microorganisms, Growth, Transmission, Etc
______ is a toxin found with the bacteria
endotoxin
Lecture - 2 - Microorganisms, Growth, Transmission, Etc
_____ occurs from toxins
hemolysis
Lecture - 2 - Microorganisms, Growth, Transmission, Etc
hemolysis is
toxin that breaks apart red blood cells
Lecture - 2 - Microorganisms, Growth, Transmission, Etc
halophilic
grows in salty places
Lecture - 2 - Microorganisms, Growth, Transmission, Etc
some bacteria have ______ which allows for greater mobility
flagella
Lecture - 2 - Microorganisms, Growth, Transmission, Etc
some bacteria have _______ which endures dry condisitons
endospores
Lecture - 2 - Microorganisms, Growth, Transmission, Etc
neisseria gonorrhoea
gonorrhea
Lecture - 2 - Microorganisms, Growth, Transmission, Etc
s. mutans
dental cavities
Lecture - 2 - Microorganisms, Growth, Transmission, Etc
v. cholerae
cholera
Lecture - 2 - Microorganisms, Growth, Transmission, Etc
borrelia bugdorferi
lyme disease
Lecture - 2 - Microorganisms, Growth, Transmission, Etc
bacillus anthracis
anthrax
Lecture - 2 - Microorganisms, Growth, Transmission, Etc
salmonella typhi
typhoid fever
Lecture - 2 - Microorganisms, Growth, Transmission, Etc
what does bacteria grow in on a petri dish
agar
Lecture - 2 - Microorganisms, Growth, Transmission, Etc
____ is how long a bacteria can survive on a table
shelf life
Lecture - 2 - Microorganisms, Growth, Transmission, Etc
bacteria prefer what food that they can “stick” to
protein
Lecture - 2 - Microorganisms, Growth, Transmission, Etc
curing protein with ____ will delay bacteria growth
salt
Lecture - 2 - Microorganisms, Growth, Transmission, Etc
bacteria can be killed by which metals
copper
zinc
mercury
silver
Lecture - 2 - Microorganisms, Growth, Transmission, Etc
what temp does bacteria prefer
moderate
Lecture - 2 - Microorganisms, Growth, Transmission, Etc
some bacteria _____ and become resistant to antibiotics. example
mutate
MRSA
Lecture - 2 - Microorganisms, Growth, Transmission, Etc
theories why bacteria mutate to resist antibiotics
incorrect/overuse of antibiotics
antibiotic cleaning product
Lecture - 2 - Microorganisms, Growth, Transmission, Etc
_____ refers to damaging a protein by changing its shape
denature
Lecture - 2 - Microorganisms, Growth, Transmission, Etc
bacteria reproduce by
pilus
Lecture - 2 - Microorganisms, Growth, Transmission, Etc
list of things that can denature a membrane
acids/bases high temperatures alcohol antibiotics metals