Cartilage is a tough tissue that contains a protein called collagen, and cartilage cells are called chondrocytes in mature cartilage. Given these facts, chondrocytes contain which type of protein among the following options:
- Actin
 - Keratin
 - white
 - allow growth
 - Collagen
 - ligt
 - positive
 - Hemoglobin


 

     Collagen    