Pointers

  1. Home
  2. Free Resources
  3. Pointers
  4. 8135
TLS Online TPP Program

#Id: 8135

The Golgi consists of four functionally distinct regions:

a. Cis compartments

b. Medial compartments

c. Trans compartments

d. Trans-Golgi network

#Section 3: Genetics, Cellular and Molecular Biology #Golgi Apparatus #Part B Pointers
PYQ Links
  1. PYQ 1
Extensive Links
  1. Link 1
More Pointers
TLS Online TPP Program

#Id: 8326

#Section 3: Genetics, Cellular and Molecular Biology

The two ends of microfilament polymerize at different rates:
fast-growing end - plus end
slow-growing end - minus end
TLS Online TPP Program

#Id: 8325

#Section 3: Genetics, Cellular and Molecular Biology

Critical concentration (Cc)
minimal concentration of monomers at which filaments form
TLS Online TPP Program

#Id: 8324

#Section 3: Genetics, Cellular and Molecular Biology

The rate of addition of monomers is given by
rate constant kon (M–1 sec–1 )
The rate of loss is given by koff (sec–1)
TLS Online TPP Program

#Id: 8323

#Section 3: Genetics, Cellular and Molecular Biology

TLS Online TPP Program

#Id: 8322

#Section 3: Genetics, Cellular and Molecular Biology

Steady-state phase
G-actin monomers exchange with subunits at the filament ends, but there is no net change in the total length of filaments.
TLS Online TPP Program

#Id: 8321

#Section 3: Genetics, Cellular and Molecular Biology

Elongation phase

short oligomer rapidly increases in length by the addition of actin monomers to both of its ends, causing filament elongation