Answer Posted / divya p raghavan
Mucopolysaccharides are long chains of sugar molecules that
are found throughout the body, often in mucus and in fluid
around the joints. They are more commonly called
glycosaminoglycans(GAGs).They are long unbranched
polysaccharides consisting of a repeating disaccharide
unit. The repeating unit consists of a hexose (six-carbon
sugar) or a hexuronic acid, linked to a hexosamine (six-
carbon sugar containing nitrogen).This family of
carbohydrates is essential or important for life.
GAGs form an important component of connective tissues. GAG
chains may be covalently linked to a protein to form
proteoglycans. Water sticks to GAGs; this is where the
resistance to pressure comes from. The density of sugar
molecules and the net negative charges attract cations, for
example, Na+, which, after the sodium binds, attracts water
molecules.
Some examples of glycosaminoglycan uses in nature include
heparin as an anticoagulant, hyaluronan as a component in
the synovial fluid lubricant in body joints, and
chondroitins, which can be found in connective tissues,
cartilage, and tendons.
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