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BIO 2117

Microbiology Unit 1 Chapter 4

QuestionAnswer
prokayotic cells with one flagella monothrichous
prokaryotic cells with multiple flagellum one a single polar end lophotrichous
prokaryotic cells with multiple flagellum on opposite polar ends amphitrichous
prokaryotic cells with random, encompassing flagellum surrounding the cell peritrichous
cellular appendage used for mating and attaching fimbriae
cellular appendage used for conjugation sex pili
the transfer of genetic coding from one bacteria to another conjugation
cellular movement toward or away a chemical stimuli or compound chemotaxis
external cellular propellers flagella
gentic coding shared by way of conjugation is generally one direction
prokaryotic (bacterial) surface glycocalyx
the attraction of other microbes due to high sugar content of glycocalyx (aka: biofilm) slime layer
bacterial surface that is anti-phagocytic capsule
outer boundary of the prokaryotic cell envelope
cell envelope is made up of cell wall; cell membrane
cell wall that has a thick layer of peptidoglycan gram +
cell wall that has a thin layer of peptidoglycan and an outer membrane with chains of lypopolysaccharide (LPS) gram -
gram negative bacteria cause inflammation, fever and diarhea due to endotoxins
mycobacterium are examples of non-typical cell walls containing mycolic acid and use an acid fast stain called acid fast wall
these bacteria are improperly named and have no cell wall mycoplasms
the cell membrane of bacteria is made up of phospholipid bilayer
bacterial cellular membranes allow for transportaion and permeability
few bacteria form this due to harsh conditions for preservation endospores
bacterial, intracellular nutrient storage inclusion bodies
non-essential bacterial DNA that may be shared during conjugation plasmids
location of bacterial DNA nucleoid
helical ribbons around the bacterial cell just under the membrane actin
thermophiles, halophiles and methanogens are types of extremeophiles
gram negative bacteria gracilicutes
gram positive bacteria firmicutes
bacteria with no cell wall tenericutes
archaea make up this division of prokaryotic taxonomy mendosicutes
heat loving bacteria thermophiles
salt loving bacteria halophiles
methane producing bacteria methanogens
photosynthetic bacteria cyanobacteria
bacteria that demonstrates "viral" characteristics as obligate intracellular parasites rickettsias and chlamydias
prokaryotes that lack peptidoglycan, have unusual cell wals and ribosomes are similar to eukaryotic cells are archaea
prokaryotes are divided by the features of the cell wall
Created by: 601606170
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