BIOMOLECULES AND ENZYMES

Detailed explanation-1: -The four primary groups of GAGs are classified based on their core disaccharide units and include heparin/heparan sulfate, chondroitin sulfate/dermatan sulfate, keratan sulfate, and hyaluronic acid.

Detailed explanation-2: -They hid his clothes as a gag. They tied up the hostages and put gags in their mouths. The government is trying to put a gag on the press.

Detailed explanation-3: -Glycosaminoglycans and proteoglycans GAGs are highly negatively charged because of the sulfate or carboxyl groups on most of their sugars. Four types of GAGs exist: (1) hyaluronan, (2) chondroitin sulfate and dermatan sulfate, (3) heparan sulfate, and (4) keratan sulfate.

Detailed explanation-4: -Sulfated glycosaminoglycans (GAGs) are linear polysaccharides consisting of repeating disaccharide units composed of N-acetylhexosamine and uronic acid, and exist as proteoglycans (PGs) by attaching to specific serine residues in the core protein.