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Reyes_rejina_block5_MM2 (Eukaryotes (found in (plants (Cytoskeleton…
Reyes_rejina_block5_MM2
Eukaryotes
found in
protists
plants
Chloroplasts
structure
granum
thylakoids
stroma
plastids
Cytoskeleton
Intermediate filaments
Microtubules
Microfilaments
Cell Wall
middle lamella
secondary cell wall
primary cell wall
Nucleus
Nuclear envelope
Nucleolus
Chromatin
Extracellular Components
Plasmodesmata
Endomembrane system
animals
Parts of Eukaryotic Cell (animal)
Cytoskeleton
Microfilaments
(+) and (-) directions
actin filament
Myosin
functions
cytoplasmic streaming
muscle contraction
maintain cell shape (resists stretching)
cell motility via pseudopods
role in cell division (cleavage)
Intermediate filaments
Keratin
fibrous protein that supercoils into ropelike fibers
function
resists stretching, compression
anchorage of nucleus envelope
support cell-to-cell division
forms nuclear lamina
no motor proteins
Microtubules
structure
plus end end away from MTOC
Hollow cylinders
unidirection from (-) to (+) end
grow from MTOC
Tubulin
beta
alpha
function
resists compression
cell motility via cilia and flagella
role in cell division (chromosome movement)
organelle movement
motor proteins
cytoplasmic dynein
kinesin
Axonemal dynein
cilia
flagella
Endomembrane System
Endoplasmic reticulum
Rough ER
Smooth ER
Golgi Apparatus
trans
cis
Lysosomes
autogaphy
phagocytosis
Plasma membrane
Vacuoles
food
contractile
transport
Plasma membrane
separates cell from outside surroundings
membrane enclosing the cell
Mitochondria
structure
mitchondrial matrix
cristae
Extracellular Matrix (ECM)
collagen
desmosomes
tight junctions
gap junctions
Nucleus
Nuclear envelope
Nucleolus
Chromatin
Peroxisomes
oxidation
produce hydrogen peroxide
metabolic compartment bounded by a single membrane
fungi
Structure
DNA strands
membrane bound
has nucleus
Prokaryotes
structure
no membrane bound
circular DNA
region of DNA is concentrated in nucleoid
found in
bacteria
Nucleoid
chromosome
Pili
ribosomes
plasma membrane
capsule
flagella
cell wall
archaea