Glycosylated molecules are compounds that have sugar molecules attached to them. This process, known as glycosylation, can occur on proteins, lipids, and other biomolecules. The addition of sugar can affect the molecule's structure, stability, and function, playing a crucial role in various biological processes. These glycosylated forms are important in many areas, including cell signaling, immune response, and protein folding. For example, glycosylated proteins, often found on the surface of cells, can help in cell recognition and communication. Understanding glycosylation is essential in fields like biochemistry and medicine.