Question

21. This class of phospholipids contains a vinyl ether linkage rather than an ester linkage at position 1 of glycerol. 22. These groups are commonly attached to the phosphate tail of plasmalogens. (2 points) 23. This type of lipid provides protection against reactive oxygen species 24. Name the two structural components of sphingomyelin. (2 points) 25. Name the two structural components of a ceremide. (2 points)

Answer 1

4 oc-R HC-o-c-c-R, Hс - o Heo-e-R2 HC-0-P-o-X Alkenyl-aryl pho- Alkyl- acylphospholipid spholipid CH₂-O-CH=CH (CH). 0 - 0 - 0 - CH - CH - o choline Plasmalogen 11) The component of spingomyelin are ) fatty acid phosphate, choline, Hydroca- rbon chain CH₂ - CCH₂), HC HC-CH-OH | 7 A-A A -NH- CH - - - 0 - cholin. i) The component of ceremide fatty acid amide group are alcohol

- Alcoholic group. amide group र वानी gheup