( Cellulose ( ( ( differs ( from ( ( starch and ) glycogen ) ) ) ( because ( ( ( the ( glucose-to-glucose bonds ) ) ( in cellulose ) ) ( ( ( are different ) and ) ( are ( much ( more ( difficult ( to ( break apart ) ) ) ) ) ) ) ) ) ) . ) )
(ROOT (S (NP (NNP Cellulose)) (VP (VBZ differs) (PP (IN from) (NP (NN starch) (CC and) (NN glycogen))) (SBAR (IN because) (S (NP (NP (DT the) (JJ glucose-to-glucose) (NNS bonds)) (PP (IN in) (NP (NN cellulose)))) (VP (VP (VBP are) (ADJP (JJ different))) (CC and) (VP (VBP are) (ADJP (RB much) (RBR more) (JJ difficult) (S (VP (TO to) (VP (VB break) (ADVP (RB apart))))))))))) (. .)))
Cellulose differs from starch and glycogen because the glucose-to-glucose bonds in cellulose are different and are much more difficult to break apart.
(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))))))) (. .)))