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what does volume determine in the cell?
chemical activity in the cell per unit time
what does surface area determine in the cell?
amount of substances that can pass the cell boundary per unit time
pili
fur like structure on prokaryotes that help them adhere to one another
golgi apparatus
receives proteins from RER
concentrates, packages and sorts them
in plants- polysaccharides for cell walls synthesized in golgi
vacuoles
only in plant cells and some protists
store waste products and toxic compounds
provide structure for plant cells
water enters by osmosis creates turgor pressure
cytoskeleton components
microtubules
microfilaments-actin
intermediate filaments
cocci
spherical prokaryote shape
bacilli
rod prokaryote shape
helix
spiral or helical prokaryote shape
spirochetes
type of prokaryote
gram negative
motile
chemoheterotroph
unique axial filaments (flagella) that rotate
human parasites
: syphils, lyme disease
others free living
chlamydias
type of prokaryote
small
gram negative cocci
parasites in cells of other organisms
STDs and pnuemonia
high-gc gram positives
type of prokaryote
more G-C pairs than A-T pairs in DNA
elaborate branching filaments
reproduce by spores at the tips of filaments
most antibiotics from this group
low-GC gram positives
type of prokaryote
produce tough endospores for harsh conditions
smallest free living cells
mycoplasms with no cell wall
cyanobacteria
type of prokaryote
photoautotroph with chlorophyll
fix nitrogen
create eukaryote chloroplasts
nitrogen fixation
proteobacteria
type of prokaryote
largest group with large diversity of metabolic phenotypes
common ancestor was photoautotrophic
nitrogen fixing genera
e. coli
archaea
type of prokaryote
extreme environments
also in common environments
lack peptidoglycan in cell wall
distinctive lipids in cell membranes
crenarcheota
type of prokaryote
type of archea
thermophilic
acidophilic
euryarcheota
type of prokaryote
type of archea
methanogens-produce methane from CO2
obligate anaerobes
live in guts of grazing animals, temites and cockroaches
Author
cjharmon311
ID
89907
Card Set
Bio Exam 1.txt
Description
Bio Exam 1
Updated
2011-06-09T06:17:34Z
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