Organic

Disaccharides - two of the simple sugars joined together in a dehydration reaction. Polysaccharides - many simple sugars strung together in a long chain. Examples include starch and cellulose.

main biological functions of lipids include energy storage, signaling, and acting as structural components of cell membranes

Dipeptide contains 2 amino acids while polypeptides have many amino acids in a chain

Large biological molecules essential for all known forms of life