Lipid
Arachidonate has 20 carbon atoms with

4 double bonds
3 double bonds
2 double bonds
8 double bonds

ANSWER DOWNLOAD EXAMIANS APP

Lipid
Phospholipid contains

hydrophilic heads and hydrophobic tails
positively charged functional groups
both (b) and (c)
long water-soluble carbon chains

ANSWER DOWNLOAD EXAMIANS APP