8. Rumus : Cn(H2O)n dengan perbandingan C : H : O adalah 1 : 2 : 1. Sebagai contoh glukosa C6H12O6 yang juga dapat ditulis dengan C6(H2O)6. Walaupun demikian beberapa karbohidrat memiliki nitrogen, fosfor dan sulfur. Karbohidrat digolongkan kedalam monosakarida, disakarida dan polisakarida. KARBOHIDRAT
20. The fats are a large group of compounds that contain fatty acids and glycerol ; a glycerol molecule attached to three fatty acid esters is a triacylglyceride . [8] Several variations on this basic structure exist, including alternate backbones such as sphingosine in the sphingolipids , and hydrophilic groups such as phosphate in phospholipids . Steroids such as cholesterol are another major class of lipids that are made in cells. Lipid