( ( Expression ( of ( ( recombinant ( DNA molecules ) ) ( that ( encode ( ( these proteins ) ( will ( allow site ) ) ) ) ) ) ) ) ( ( ( directed ( ( ( mutagenesis or ) production ) ( of ( chimeric enzymes ) ) ) ) ( to ( test ( specific hypotheses ) ) ) ) . ) )
(ROOT (S (NP (NP (NNP Expression)) (PP (IN of) (NP (NP (JJ recombinant) (NN DNA) (NNS molecules)) (SBAR (WHNP (WDT that)) (S (VP (VBP encode) (SBAR (S (NP (DT these) (NNS proteins)) (VP (MD will) (VP (VB allow) (NP (NN site)))))))))))) (VP (VBD directed) (NP (NP (NNS mutagenesis) (CC or) (NN production)) (PP (IN of) (NP (JJ chimeric) (NNS enzymes)))) (S (VP (TO to) (VP (VB test) (NP (JJ specific) (NNS hypotheses)))))) (. .)))
Expression of recombinant DNA molecules that encode these proteins will allow site directed mutagenesis or production of chimeric enzymes to test specific hypotheses.
(ROOT (S (NP (NNP Dna)) (VP (VBZ encodes) (NP (NP (NNS instructions)) (PP (IN for) (NP (NNS proteins) (NNS molecules))))) (. .)))