Each time a new codon is exposed: 1  A matching tRNA binds to the codon. 2  The existing amino acid chain (polypeptide) is linked onto the amino acid of the tRNA via a chemical reaction. 3  The mRNA is shifted one codon over in the ribosome, exposing a new codon for reading.
Phrasal verbs are very common in spoken and written English so we need them to understand and speak natural English. If you're in a hurry to learn just a few verbs, take a look at our phrasal verb list. Many multi-word verbs have a single word alternative which is more common in formal or academic English.
The thesaurus of synonyms and related words is fully integrated into the dictionary. Click on the thesaurus category heading under the button in an entry to see the synonyms and related words for that meaning. more. phrasal verb [transitive] Close.