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PICK A,B,C,D,or E and explain please Proteoglycans can be identified from the fo

ID: 62392 • Letter: P

Question

PICK A,B,C,D,or E and explain please

Proteoglycans can be identified from the following characteristics

1- its a protein polysaccharide complex with GAGs covalently attached to the core protein

2- its acidic due to the presence of sulfate and carboxyl groups attached to the sugar rings

3- forms a triple helix formed by the homotrimeric units in a unique rod like structure

4- its forms a porous, hydrated gel giving cartilage strength along with collagens

A. all are correct


B. Only 1 is correct


C. 1, 2 and 3 are correct


D.1, 2 and 4 are correct

E. None are correct

Explanation / Answer

Option D - 1,2 and 4 are correct - Proteoglycan complexes with GAG's, it processes sulfate and uronic groups. It acts as a cushion for cartilage bone.