( ( In ( broad terms ) ) ( , ( ( ( the synthesis ) ( of cellulose ) ) ( ( can ( be ( divided ( into ( ( ( ( a ( polymerization step ) ) ( -LRB- ( ( where ( ( the ( glucose residues ) ) ( are ( joined ( to ( form ( glucan chains ) ) ) ) ) ) ) -RRB- ) ) ) and ) ( ( ( a post ) - ) ( ( polymerization step ) ( -LRB- ( ( where ( ( the ( individual ( glucan chains ) ) ) ( associate ( to ( form ( crystalline ( cellulose ( and ( other ( higher ( order structures ) ) ) ) ) ) ) ) ) ) ) -RRB- ) ) ) ) ) ) ) ) ) . ) ) ) )
(ROOT (S (PP (IN In) (NP (JJ broad) (NNS terms))) (, ,) (NP (NP (DT the) (NN synthesis)) (PP (IN of) (NP (NN cellulose)))) (VP (MD can) (VP (VB be) (VP (VBN divided) (PP (IN into) (NP (NP (NP (DT a) (NN polymerization) (NN step)) (PRN (-LRB- -LRB-) (SBAR (WHADVP (WRB where)) (S (NP (DT the) (NN glucose) (NNS residues)) (VP (VBP are) (VP (VBN joined) (S (VP (TO to) (VP (VB form) (NP (NN glucan) (NNS chains))))))))) (-RRB- -RRB-))) (CC and) (NP (NP (DT a) (NN post)) (: -) (NP (NP (NN polymerization) (NN step)) (PRN (-LRB- -LRB-) (SBAR (WHADVP (WRB where)) (S (NP (DT the) (JJ individual) (NN glucan) (NNS chains)) (VP (VBP associate) (S (VP (TO to) (VP (VB form) (NP (JJ crystalline) (NN cellulose) (CC and) (JJ other) (JJR higher) (NN order) (NNS structures)))))))) (-RRB- -RRB-))))))))) (. .)))
In broad terms, the synthesis of cellulose can be divided into a polymerization step (where the glucose residues are joined to form glucan chains) and a post- polymerization step (where the individual glucan chains associate to form crystalline cellulose and other higher order structures).
(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))))))) (. .)))