Capping is done by a dimeric nuclear enzyme which has two subunits and three functions

1. Guanylyl-transferase (GT)

2. Methyltransferase (MT)

TLS Online TPP Program

#Id: 8086

#Unit 1. Molecules and their Interaction Relevant to Biology

TLS Online TPP Program

#Id: 8087

#Unit 1. Molecules and their Interaction Relevant to Biology

Saturation = extent of packing

Fully saturated fatty acids in the extended form pack into nearly crystalline arrays, stabilized by many hydrophobic interactions.

TLS Online TPP Program

#Id: 8088

#Unit 1. Molecules and their Interaction Relevant to Biology

The presence of one or more fatty acids with cis double bonds interferes with this tight packing and results in less stable aggregates.

TLS Online TPP Program

#Id: 8089

#Unit 1. Molecules and their Interaction Relevant to Biology

Beeswax is Triacontanoylpalmitate, is an ester of palmitic acid with the alcohol triacontanol.

TLS Online TPP Program

#Id: 8090

#Unit 1. Molecules and their Interaction Relevant to Biology

In triacylglycerols, glycerophospholipids, galactolipids, and sulfolipids, the alkyl groups are fatty acids in ester linkage. 

TLS Online TPP Program

#Id: 8091

#Unit 1. Molecules and their Interaction Relevant to Biology

Plasmalogens are ether glycerophospholipids in which the alkyl moiety is cis-a, b-unsaturated