Glycolipid

Definition

Glycolipids are molecules composed of a carbohydrate attached to a lipid. They play key roles in cell recognition and membrane stability.

5 Must Know Facts For Your Next Test

1. Glycolipids are found on the extracellular surface of eukaryotic cell membranes.
2. They are involved in cellular communication and interactions, including immune responses.
3. Glycolipids contribute to the protective barrier of the cell membrane by maintaining its stability.
4. The carbohydrate portion of glycolipids can vary significantly, affecting their specific functions.
5. They can also act as receptors for certain toxins and viruses.

Review Questions

• Where are glycolipids primarily located in eukaryotic cells?
• What roles do glycolipids play in cellular interactions?
• How does the carbohydrate portion of a glycolipid influence its function?

Related terms

Phospholipid: A major component of cell membranes, consisting of two fatty acids, a phosphate group, and a glycerol backbone.

Sphingolipid: A type of lipid containing a sphingoid base that is important for membrane structure and signaling.

Lipoprotein: Complexes made up of lipids and proteins that transport fats through the bloodstream.