( ( ( ( ( Transcription ( occurs ( in ( the nucleus ) ) ) ) , ) and ) ( ( once ( you ( have ( completed transcription ) ) ) ) ( ( the mRNA ) ( will ( ( ( ( leave ( the nuecleus ) ) , ) and ) ( ( go ( into ( the cytoplasm ) ) ) ( where ( ( the mRNA ) ( will ( bind ( to ( ( ( a ( free ( floating ribosome ) ) ) , ) ( where ( it ( will ( attach ( to ( a ( small ( ribosomal subunit ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) . )
(ROOT (S (S (NP (NNP Transcription)) (VP (VBZ occurs) (PP (IN in) (NP (DT the) (NN nucleus))))) (, ,) (CC and) (S (SBAR (IN once) (S (NP (PRP you)) (VP (VBP have) (VP (VBN completed) (NP (NN transcription)))))) (NP (DT the) (NN mRNA)) (VP (MD will) (VP (VP (VB leave) (NP (DT the) (NNS nuecleus))) (, ,) (CC and) (VP (VB go) (PP (IN into) (NP (DT the) (NN cytoplasm))) (SBAR (WHADVP (WRB where)) (S (NP (DT the) (NN mRNA)) (VP (MD will) (VP (VB bind) (PP (TO to) (NP (NP (DT a) (JJ free) (VBG floating) (NN ribosome)) (, ,) (SBAR (WHADVP (WRB where)) (S (NP (PRP it)) (VP (MD will) (VP (VB attach) (PP (TO to) (NP (DT a) (JJ small) (JJ ribosomal) (NN subunit))))))))))))))))) (. .)))
Transcription occurs in the nucleus, and once you have completed transcription the mRNA will leave the nuecleus, and go into the cytoplasm where the mRNA will bind to a free floating ribosome, where it will attach to a small ribosomal subunit.
(ROOT (S (NP (NNP Mrna)) (VP (VBZ is) (NP (NP (DT the) (NN message)) (VP (VBN sent) (PP (IN from) (NP (DT the) (NN nucleus))) (PP (TO to) (NP (DT the) (NN ribosome)))))) (. .)))