MRNA PRECURSOR
\ˈɛm ˌɑːɹˌɛnˈe͡ɪ pɹɪkˈɜːsə], \ˈɛm ˌɑːɹˌɛnˈeɪ pɹɪkˈɜːsə], \ˈɛ_m ˌɑː_ɹ_ˌɛ_n_ˈeɪ p_ɹ_ɪ_k_ˈɜː_s_ə]\
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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
