<span>In the reaction that builds a fat, hydroxil groups react with carboxyl groups. Both hydroxil and carboxyl are </span><span>functional </span>groups<span> in biological molecules. The h</span>ydroxil group is group of atoms found in organic compounds, expressed with the formula OH. The carboxyl group are found in acids.
The fact that it's a renewable resource would be the only benefit. All of the others are disadvantages
C they are always found in homologous pairs
A. They live in the polar regions of the Northern and Southern Hemispheres.
