( ( ( ( ( Each ( DNA molecule ) ) ( consists ( of ( ( two ( twisted strands ) ) ( of nucleotides ) ) ) ) ) and ) ( ( each strand ) ( contains ( many genes ) ) ) ) . )
(ROOT (S (S (NP (DT Each) (NNP DNA) (NN molecule)) (VP (VBZ consists) (PP (IN of) (NP (NP (CD two) (JJ twisted) (NNS strands)) (PP (IN of) (NP (NNS nucleotides))))))) (CC and) (S (NP (DT each) (NN strand)) (VP (VBZ contains) (NP (JJ many) (NNS genes)))) (. .)))
Each DNA molecule consists of two twisted strands of nucleotides and each strand contains many genes.
(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)))))) (. .)))