( Polysaccharides ( ( ( ( are ( polymers ( of ( many ( sugar units ) ) ) ) ) and ) ( are ( hydrolyzable ( into ( their ( component monesaccharides ) ) ) ) ) ) . ) )
(ROOT (S (NP (NNS Polysaccharides)) (VP (VP (VBP are) (NP (NP (NNS polymers)) (PP (IN of) (NP (JJ many) (NN sugar) (NNS units))))) (CC and) (VP (VBP are) (ADJP (JJ hydrolyzable) (PP (IN into) (NP (PRP$ their) (NN component) (NNS monesaccharides)))))) (. .)))
Polysaccharides are polymers of many sugar units and are hydrolyzable into their component monesaccharides.
(ROOT (S (NP (NNS Polysaccharides)) (VP (VBP are) (NP (NP (NNS polymers)) (VP (VBN composed) (PP (IN of) (NP (NP (JJ many) (NN sugar) (NN building) (NNS blocks)) (VP (VBN called))))))) (. .)))