Platelet-activating factor has a long ether-linked alkyl chain at C-1 of glycerol, but C-2 is ester-linked to acetic acid, which makes the compound much more water-soluble than most glycerophospholipids and plasmalogens.

TLS Online TPP Program

#Id: 8595

#Unit 2. Cellular Organization

Mutations in lamin A 

cause progeria accelerated aging, such as Hutchison-Gilford progeria (“prematurely old”)

TLS Online TPP Program

#Id: 8596

#Unit 2. Cellular Organization

Septins 

GTP-binding proteins 

serve as an additional filament system in all eukaryotes except terrestrial plants. 

TLS Online TPP Program

#Id: 8597

#Unit 2. Cellular Organization

Septins assemble into nonpolar filaments that form rings and cagelike structures, or recruit and organize the actin and microtubule cytoskeletons.

TLS Online TPP Program

#Id: 8992

#Unit 2. Cellular Organization

TLS Online TPP Program

#Id: 8993

#Unit 2. Cellular Organization

Plakins 

Proteins that linked intermediate filament network to the rest of the cytoskeleton. 

Eg: Plectin

TLS Online TPP Program

#Id: 368

#Unit 2. Cellular Organization

Supercoiling is related to two properties of genome

1. Packaging 

2. Linking number