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TLS Online TPP Program

#Id: 3031

The DNA Pol III holoenzyme has at least two catalytic cores. a processivity clamp, and a dimerization damp-loader complex.

#Unit 3. Fundamental Processes #Unit of replication and enzymes involved #Part B Pointers
PYQ Links
  1. PYQ 1
Extensive Links
  1. Link 1
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TLS Online TPP Program

#Id: 8362

#Unit 2. Cellular Organization

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

#Id: 8363

#Unit 2. Cellular Organization

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

#Id: 8364

#Unit 2. Cellular Organization

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

#Id: 8365

#Unit 2. Cellular Organization

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

#Id: 8366

#Unit 2. Cellular Organization

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

#Id: 8367

#Unit 2. Cellular Organization

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