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TLS Online TPP Program

#Id: 10108

Tight junctions seal off body cavities and restrict diffusion of membrane components

#XL - T Zoology #Cell Junctions #Part B Pointers
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TLS Online TPP Program

#Id: 8340

#XL - Q Biochemistry

Gelsolin, is regulated by Ca+2 ion concentration and sever actin filaments.
TLS Online TPP Program

#Id: 8339

#XL - Q Biochemistry

Filament capping proteins:

CapZ blocks (+)end Tropomodulin blocks (-)end
TLS Online TPP Program

#Id: 8338

#XL - Q Biochemistry

Profilin can bind proteins with sequences rich in proline residues at the same time it is bound to actin.
TLS Online TPP Program

#Id: 8337

#XL - Q Biochemistry

Profilin – G-actin nucleotide exchange (ADP to ATP) 
Cofilin – F-actin disassembly
Thymosin B-4 – G-actin monomer sequestering
TLS Online TPP Program

#Id: 8336

#XL - Q Biochemistry

Actin filament treadmilling is accelerated by:

Profilin and Cofilin
TLS Online TPP Program

#Id: 8335

#XL - Q Biochemistry