In E. coli., DNA polymerase III, a multisubunit protein, is the replication polymerase responsible for de novo synthesis of new strands of DNA. 

TLS Online TPP Program

#Id: 8529

#Unit 2. Cellular Organization

Class IV IF proteins compose the neurofilaments found in neurons.

TLS Online TPP Program

#Id: 8530

#Unit 2. Cellular Organization

Class III IF proteins- found in cells of mesodermal origin

Desmin, GFAP, vimentin

TLS Online TPP Program

#Id: 8531

#Unit 2. Cellular Organization

Dynamic instability 

Rapid interconversion between a growing and shrinking state, at a uniform free tubulin concentration

TLS Online TPP Program

#Id: 8532

#Unit 2. Cellular Organization

Catastrophe 

The change from growth to shrinkage

TLS Online TPP Program

#Id: 8533

#Unit 2. Cellular Organization

Rescue 

The change from shrinkage to growth

TLS Online TPP Program

#Id: 8534

#Unit 2. Cellular Organization

γ-tubulin ring complex (γ-TuRC)

nucleates assembly of a microtubule by forming a template corresponding to the (−) end.