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53 Cards in this Set

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  • Back
what is chimera?
sequence derived from different organisms at each end
do not believe the prion hypothesis...
bc the form of the disease ought to depend on the genetics of the host rather than the disease of the source
alpha proteobacteria
caulobacter
rhodomicrobium
beta proteobacteria
neisseria
bordetella
thauera
delta proteobacteria
bdelvibrio
desulfovibrio
myxococcus
gamma proteobacteria
echerichia
pseudomonas
beggiatoa
chromatium
salmonella
epsilon proteobacteria
campilobacter
name 2 genera for thermophile
pyrodictium and methanobacterium
the 3 major methods of sulfur metabolism are:
sulfur oxidation
sulfur reduction
sulfur respiration
what is horizontal transfer?
the transfer of genes from one organism to another that is not offspring
firmicutes
bacillus
clostridium
cyanobacteria
dermocarpa
oscillatoria
anabaena
prochlorococcus
Acitinobacteria
streptomyces
arthrobacter
Euryarchaea
thermoplasma
pyrococcus
halobacterium
methanothermobacter
Eukaryotes
giardia
pfeisteria
Crenarchaea
Ignococcus
sulfolobus
thermoproteus
Planctomycetes
planctomyces
gemmata
kuenenia
Thermus/deinococcus group
thermus
deinococcus
Spirochaetes
triponema
borellia
What are the 3 primary evolutionary branches of life?
Bacteria, Eukarya,, Archaea
The generation of phylogenetic trees containing all kinds of organisms that lead to the discovery of...
ARCHAEA
Herpetosiphon
chlorobium
chloroflexus
genus: Green non-sulfur bacteria
NOT a way to fix carbon!
the Knallgas rxn
About how many bacterial species exist?
Who knlows??
Ways to survery microbial population:
-Denaturing gradient gel electrophoresis (DGGE)
-terninal restriction fragment length polymorphism
-seq lots of clones PCR
-FISH(fluorescent in situ hybridization)
The big tree of life based on analysis of ssuRna is:
Objective and Quantitative
The big tree of life is affected by horizontal transfer in this way...
NOBODY REALLY KNOWS!
In the symbiosis between Chlorobium and an uncultured Beta proteobacterium, the Beta proteobacterium provides----------- to chlorobium
motility and phototaxis
"Bulking" during waster tx is caused by....
-filamentus green non-sulfur bacteria
-failure of the sludge flocs to settle
The 2 major genera of bacteria
found in human feces in ssuRna molecular phylohgenetic surveys is....
BACTEROIDES and CLOSTRIDIUM!!
The axia fiber of spirochetes is composed of...
FLAGELLA!
The major classes of proteobacteria are...
alpha, beta, delta, gamma, and epsilon
The phenotypic groups found in the proteobacteria are...
-Purple photosynthesizers
-Hydrogen oxidizers
-Heterotrophs
-sulfur oxidizers
The Rhodopsins found in halophilic archaea are..
-proton pumps
-chloride pumps
-sensory opsins
the electron transport is driven by...
OXIDATION AND REDUCTION! of nadph, sulfide,
nadph, chlorophyl
The microbial community from which thermococcus was isolated was..
the pink filaments of Octopus Spring!!
A hydrothermal vent in which all the water is Vaporized before emerging to the surface is...
FUMAROLE
A hot spring that only produces steam is a ...
FUMAROLE!!
NOT a way an organism can get carbon it needs for its growth...
Cyclic Photophosphorilation
Secondary metabolites are produced in ...
Stationary Phase
Filamentous Cyanobacteria produce heterocysts so they can physically separate what processes??
PHOTOSYNHESIS AND NITROGEN FIXATION!
The Electron Transport Chain does NOT...
-does not directly generate ATP from ADP and inorganic phospate
-does not exist in every organism
Cyclic Photophosphorylation generates...
A proton gradient for ATP synthesis!
Which is NOT a mechanism used by bacteria for motility...
CILIA or CILIATED beating
Which are NOT important diferences between endospores and the spores of streptomyces?
-Not important endospores are a result of a developmental process
-Not important the endospore is separated from the Mother cell by separation early in its development
Which is NOT a method used by bacteria to fix carbon??
-not used to fix carbon:
-reverse electron flow
-no gas rxn
Methods used by bacteria to fix carbon...
-Calvin Cycle
-the Hydropropionate pathway
-reverse TCA cycle
Gliding motility is based on the secretion of..
POLYSACCHARIDE!!
The heterocysts of filamentous cyanobacteria carry out what process?
NITROGEN FIXATION!!
What is the definning characteristic of the gram (+) cell envelope?
ABSENCE of an outer cell membrane!!
Issues that thermophiles need to deal with...
-denaturation of DNA
-denaturation of RNA
-denaturation of PROTEIN
-small molecule stability
The thermophiles do not deal with...
Low rates of diffusion
Why is it believed that bacteria have thermophilic ancestry?
B/C they have
- the deepest branches of the bacterial kingdom and
-the archaea are PREDOMINANTLY thermonphilic!