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CH-16
N/A
12
Biology
Undergraduate 3
08/11/2011

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Term
3 CYTOSKELETON ELEMENTS
Definition
ACTIN
MICROTUBULES
INTEERMEDIATE
Term
ACTIN FILAMENTS
Definition
DETERMINE shape of cell surface
contain actin
more conc. at exterior region of cell
subunits-
-f filamentous-
-g-gobular-
Term
MICROTUBULES
Definition
hollow cylinders of tubules
contain tubulin
25nm
more rigid than actin filaments
organizing center
Term
INTERMEDIATE FILAMENTS
Definition
more diverse
provides mechanical strength
spectrin
Term
ACTIN
nucleation
Definition
lag phase
Term
actin
elongation
Definition
growth phase
Term
actin
steady state
Definition
equilibrium phase
Term
filaments dont move
Definition
process of disassembly n reassembly
Term
actin ATPase activity
Definition
PLUS END- pref. growth
MINUS END- pref. loss
Term
treadmiling
Definition
filaments are moving in parts
Term
microtubles are very rigid, cannot stand too much force
Definition
graph- on top will break sooner
Term
intermediate
Definition
stronger and flexible
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