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TLS Online TPP Program

#Id: 3100

It has an origin at which replication is initiated. It may also have a terminus at which replication stops.

#Unit 3. Fundamental Processes #Unit of replication and enzymes involved #Part B Pointers
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TLS Online TPP Program

#Id: 1401

#Unit 4. Cell Communication and Cell Signaling

Myosin I
single head domain
Function- Membrane association, endocytosis
TLS Online TPP Program

#Id: 1402

#Unit 4. Cell Communication and Cell Signaling

Myosin II
Two heads and assembles into bipolar filaments
Small and non-processive
Function- Contraction 
TLS Online TPP Program

#Id: 1403

#Unit 4. Cell Communication and Cell Signaling

Myosin V
Two heads but does not assemble into filaments
Large and processive
Function- Organelle transport
TLS Online TPP Program

#Id: 1404

#Unit 4. Cell Communication and Cell Signaling

All Myosins move toward the (+) end of an actin filament except myosin VI.
TLS Online TPP Program

#Id: 1405

#Unit 4. Cell Communication and Cell Signaling

Myosin VI move toward the (−) end of an actin filament. 
TLS Online TPP Program

#Id: 1406

#Unit 4. Cell Communication and Cell Signaling

The length of the myosin II neck domain determines the rate of movement.