( ( ( The ribosome ) ( -LRB- ( ( composed ( of ( both ( ( rRNA and ) protein ) ) ) ) -RRB- ) ) ) ( ( has ( ( ( two subunits ) and ) ( ( the ( transcribed ( mRNA fits ) ) ) ( between ( the ( two subunits ) ) ) ) ) ) . ) )
(ROOT (S (NP (NP (DT The) (NN ribosome)) (PRN (-LRB- -LRB-) (VP (VBN composed) (PP (IN of) (NP (DT both) (NN rRNA) (CC and) (NN protein)))) (-RRB- -RRB-))) (VP (VBZ has) (NP (NP (CD two) (NNS subunits)) (CC and) (NP (NP (DT the) (JJ transcribed) (NN mRNA) (NNS fits)) (PP (IN between) (NP (DT the) (CD two) (NNS subunits)))))) (. .)))
The ribosome (composed of both rRNA and protein) has two subunits and the transcribed mRNA fits between the two subunits.
(ROOT (S (NP (DT A) (NN ribosome)) (VP (VBZ consists) (PP (IN of) (NP (NP (CD two) (NNS elements)) (, ,) (NP (NN rrna)) (CC and) (NP (NNS proteins))))) (. .)))
A ribosome consists of two elements, rrna and proteins.