\pɹɪkˈɜːsəɹ ˌɑːɹˌɛnˈe͡ɪ], \pɹɪkˈɜːsəɹ ˌɑːɹˌɛnˈeɪ], \p_ɹ_ɪ_k_ˈɜː_s_ə_ɹ ˌɑː_ɹ_ˌɛ_n_ˈeɪ]\
Definitions of PRECURSOR RNA
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RNA copies from DNA that exactly represent the genome sequence. This RNA cannot be used for producing protein until RNA splicing takes place. During this procedure the phosphodiester bonds at exon-intron boundaries are cleaved and the intron is excised. Consequently a new bond is formed between the ends of the exons. The resulting RNA is mature RNA which can be translated into protein.
By DataStellar Co., Ltd
Word of the day
- Inability to speak proper sentences. Ability to utter words, but not sentences. Inability to make sentences, though knowing and speaking words. [Gr.]