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TLS Online TPP Program

#Id: 390

Of the 147 bp of DNA included in the structure, the histone-fold regions of the H3.H4 tetramer interact with the central 60 bp.


#Unit 2. Cellular Organization #Structure & Assembly of Histones #Part B Pointers
PYQ Links
  1. PYQ 1
Extensive Links
  1. Link 1
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TLS Online TPP Program

#Id: 8376

#Unit 2. Cellular Organization

Myosin 
Actin-based motors powered by ATP hydrolysis.
TLS Online TPP Program

#Id: 8377

#Unit 2. Cellular Organization

Myosins have 
Motor head domain
Lever-arm neck domain
Cargo-binding tail domain
TLS Online TPP Program

#Id: 8378

#Unit 2. Cellular Organization

The first myosin discovered
Myosin II, was isolated from skeletal muscle.
TLS Online TPP Program

#Id: 8379

#Unit 2. Cellular Organization

Three classes of myosins:
Myosin I
Myosin II
Myosin V
TLS Online TPP Program

#Id: 8380

#Unit 2. Cellular Organization

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

#Id: 8381

#Unit 2. Cellular Organization

Myosin II
Two heads and assembles into bipolar filaments
Small and non-processive
Function- Contraction