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TLS Online TPP Program

#Id: 8576

In smooth muscle, desmin filaments link cytoplasmic dense bodies to the plasma membrane to ensure that cells resist overstretching.

#Unit 2. Cellular Organization #Intermediate Filaments #Part B Pointers
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TLS Online TPP Program

#Id: 8106

#Unit 1. Structure and Function of Biomolecules

Galactolipids are localized in the thylakoid membranes (internal membranes) of chloroplasts; they make up 70% to 80% of the total membrane lipids of a vascular plant, and are therefore probably the most abundant membrane lipids in the biosphere. 
TLS Online TPP Program

#Id: 8107

#Unit 1. Structure and Function of Biomolecules

Phosphate is often the limiting plant nutrient in soil, and perhaps the evolutionary pressure to conserve phosphate for more critical roles favored plants that made phosphate-free lipids.
TLS Online TPP Program

#Id: 8108

#Unit 1. Structure and Function of Biomolecules

A typical membrane lipid of archaea.

Diphytanyl moieties are 8 five-carbon isoprene groups condensed end-to-end.
TLS Online TPP Program

#Id: 8109

#Unit 1. Structure and Function of Biomolecules

TLS Online TPP Program

#Id: 8110

#Unit 1. Structure and Function of Biomolecules

Archaea membrane lipids are isoprene-based lipids.
TLS Online TPP Program

#Id: 8111

#Unit 1. Structure and Function of Biomolecules