( ( A ( DNA molecule ) ) ( ( consists ( of ( ( two chains ) ( of ( nucleotides ( ( woven ( around ( each other ) ) ) ( to ( ( form ( a ( double helix ) ) ) ( -LRB- ( ( like braids ) -RRB- ) ) ) ) ) ) ) ) ) ) . ) )
(ROOT (S (NP (DT A) (NNP DNA) (NN molecule)) (VP (VBZ consists) (PP (IN of) (NP (NP (CD two) (NNS chains)) (PP (IN of) (NP (NP (NNS nucleotides)) (VP (VBN woven) (PP (IN around) (NP (DT each) (JJ other))) (S (VP (TO to) (VP (VB form) (NP (DT a) (JJ double) (NN helix)) (PRN (-LRB- -LRB-) (PP (IN like) (NP (NNS braids))) (-RRB- -RRB-))))))))))) (. .)))
A DNA molecule consists of two chains of nucleotides woven around each other to form a double helix (like braids).
(ROOT (S (NP (NNP Dna)) (VP (VBZ consists) (PP (IN of) (NP (NP (CD two) (JJ long) (NNS chains)) (PP (IN of) (NP (NNS nucleotides)))))) (. .)))