( ( ( A molecule ) ( of DNA ) ) ( ( consists ( of ( ( two strands ) ( of ( ( ( ( compounds , ) ( called nucleotides ) ) , ) ( ( linked together ) ( to ( form ( a chain ) ) ) ) ) ) ) ) ) . ) )
(ROOT (S (NP (NP (DT A) (NN molecule)) (PP (IN of) (NP (NNP DNA)))) (VP (VBZ consists) (PP (IN of) (NP (NP (CD two) (NNS strands)) (PP (IN of) (NP (NP (NNS compounds)) (, ,) (NP (VBN called) (NNS nucleotides)) (, ,) (VP (VBN linked) (ADVP (RB together)) (S (VP (TO to) (VP (VB form) (NP (DT a) (NN chain))))))))))) (. .)))
A molecule of DNA consists of two strands of compounds, called nucleotides, linked together to form a chain.
(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)))))) (. .)))