double carbon carbon bonds
One reason people are fat is because they eat and eat and eat and don't exercise. Another reason is because some people have fast working calorie burning systems and some people have slow ones causing them to be fat.
It might be that those people that are not fat have high metabolism you eat as much as you want and not get fat.
Polysaccharides have more chemical bonds.
All organisms use the same genetic code.Living organisms are made of the same components as all other matter, organisms that inhabit the earth at any one time
they are all assembled from a nucleic acid code
Lipid (fat) molecules
Membrane~
They have the same bases in different orders
Water cannot be absorbed through the surface of a leaf