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Regarding the nature and function of polysaccharides and glycoconjugates:rna) Some glucoamino acids contain hyaluronic acidrnb) Glycoaminoglycans participate in the lubrication of skeletal jointsrnc) Starch is an energy reserve in plantsrnd) Chitin forms the exoskeleton of insects and crustaceans
Accepted Answer
a) Incorrect. Hyaluronic acid is a glycosaminoglycan, not a glucoamino acid.
b) Correct. Glycoaminoglycans, including hyaluronic acid, are key components of synovial fluid, which provides lubrication and shock absorption in skeletal joints.
c) Correct. Starch is a polysaccharide that serves as an energy storage molecule in plants.
d) Correct. Chitin is a polysaccharide that forms the structural framework of the exoskeletons of insects and crustaceans.
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