( ( Like starch ) ( , ( cellulose ( ( is ( ( a polysaccharide ) ( with ( glucose ( as ( its monomer ) ) ) ) ) ) . ) ) ) )
(ROOT (S (PP (IN Like) (NP (NN starch))) (, ,) (NP (NN cellulose)) (VP (VBZ is) (NP (NP (DT a) (NN polysaccharide)) (PP (IN with) (NP (NP (NN glucose)) (PP (IN as) (NP (PRP$ its) (NN monomer))))))) (. .)))
Like starch, cellulose is a polysaccharide with glucose as its monomer.
(ROOT (S (NP (NNP Cellulose)) (VP (VBZ is) (VP (VBN created) (PP (IN by) (NP (NP (DT the) (NN polymerization)) (PP (IN of) (NP (NN glucose))))))) (. .)))