In the dark, most transducin is localized to the outer segment, while most arrestin is found in other parts of the cell; in this condition, vision is most sensitive to very low light levels.

TLS Online TPP Program

#Id: 8091

#XL - T Zoology

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

      

TLS Online TPP Program

#Id: 8090

#XL - T Zoology

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

TLS Online TPP Program

#Id: 8089

#XL - T Zoology

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

TLS Online TPP Program

#Id: 8088

#XL - T Zoology

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: 8087

#XL - T Zoology

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: 8086

#XL - T Zoology