test tube full of agar with slanted surface that lasts 1 year
agar slants
____ _____ is when the division bacteria undergo creating 2 equal daughter cells.
binary fission
group of bacteria connected to a surface and each other forming a community
biofilm
derived by binary fission from a single cell
clonal
bacteria is put in glycerol and stored in freezer; lasts 20 years.. _____ _____
freezer culture
some bacteria can be freeze dried as powder
lyphophilize
organisms that are picky and must be provided with nutrients are called ____ ____
nutritionally fastidious
____ media is when at least one ingredient is not defined (ex. yeast, cow)
complex
all ingredients can be listed by forumula and amount is called ____ media
defined
ingredient that lines blood to differentiate between different bacteria is called ____ media
differential
ingredients added to medias like salt or antibiotics for a selected bacteria is called ___ media
selective
bacteria that grow at low temps
pyschroPHILE
bacteria that grow at low to moderate temps
pyschroTROPH
bacteria that live at middle temps such as body temps
mesophile
bacteria which live at hot temps
thermophile
bacteria which grow at very high temps
hyperthermophile
____tube of agar that is shaken with bacteria then allowed to grow to determine their preference for oxygen
shake
____ _____ medium determine bacterial need for oxygen like shake tube
fluid thiglycollate
_____ ____ is the classification name when bacteria which need oxygen
obligate aerobe
___ ____ is the classification name when bacteria is killed by oxygen
obligate Anaerobe
____ ____ is the classification name when bacteria don�t need oxygen but grow better with it
facultative anaerobe
_________ is the classification name when bacteria needs a small amount of oxygen
microaerophile
________ is the classification name when bacteria grows evenly with or without oxygen
aerotolerant
name the two enzymes which detoxifies oxygen
catalase and superoxidase dismutase
classification name of bacteria that live in environment with large H+ concentration which causes lots of H+ to come in; H+ must be actively pumped out
acidophile
classification name of bacteria that live in neutral environments
neutrophile
classification name of bacteria that live in alkaline environment that uses sodium gradient
alkalophile
term when cell must avoid lysis and plasmolysis
osmolarity
bursting of cell due to hypotonic environments
lysis
shrinking of cell due to hypertonic environments
plasmolysis
salt loving bacteria with special proteins which absorb salt
halophile
molecules that are produced inside cell to counterbalance plasmolysis
osmoprotectant
nutrional mutants that must be provided all nutrients
auxotroph
wild type of bacteria that can survive on anything
prototroph
classification name of bacteria that get energy from redox reactions
chemotroph
classification name of bacteria that get energy from sunlight
phototroph
classification name of bacteria that get electrons from reduced inorganic compounds like minerals
lithotroph
classification name of bacteria that get electrons from reduced organic compounds
organotroph
classification name of bacteria that get carbon from first principles like CO2
autotroph
classification name of bacteria that get carbon from organic compounds like glucose or fatty acids