Cytoskeleton, cell motility
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8 Terms
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Components of cytoskeleton
Actin
tubulin
protofilament
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Functions of cytoskeleton
Structure and support
Intracellular transport
Contractility and mobility
Spatial organization
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Skeletal muscles
a-actin
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Cardiac muscles
b-actin
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Smooth muscles
a & b actin
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non-muscle tissues
y-actin
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Mechanisms of sliding filament theory
Myosin cross-bridge attaches to actin myofilament
Myosin head pivots and pulls on the actin filament (ADP +Pi released)
New ATP attached to myosin head, cross bridge detaches
ATP hydros used, erecting the myosin head
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Amoeboid migration
Most common mode of locomotion in eukaryotic cells
caused by the protrusion of cytoplasm of the cell involving the formation of pseuopodia
Note 
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