Glycoprotein

A glycoprotein is a big molecule. It is composed of a protein and a carbohydrate (which is usually a sugar-like substance). Glycoproteins are important to recognise immune cells in mammals. 
Well-known glycoproteins are:
 antibodies which react with antigens

Hormones that are glycoproteins are (amongst others)

 Follicle stimulating hormone (FSH)
 Luteinising hormone (LH)
 Thyroid-stimulating hormone (TSH)

 Related pages 
Miracle fruit

 References 

Category:Molecular biology
Category:Hormones