Multiple choice

The intercellular substance in epithelial tissues is mainly composed of

  1. proteoglycans

  2. glycoproteins

  3. triglycerides

  4. lipoproteins

Reveal answer Fill a bubble to check yourself
B Correct answer
Explanation

Glycoproteins are proteins that contain oligosaccharide chains (glycans) covalently attached to polypeptide side-chains. The intercellular substance in epithelial tissues is mainly composed of glycoproteins.