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Laurea: Biologia della Cellula e dei Tessuti (corso A) - modulo cellula
08_bct_03_11_10


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From DNA to RNA:

The process of copying DNA into messenger RNA (mRNA) is called transcription. Transcription factors assemble at the promoter region of a gene, bringing an RNA polymerase enzyme to form the transcription initiation complex. Activator proteins at the enhancer region of DNA then activate the transcription initiation complex. RNA polymerase unzips a small portion of the DNA and copies one strand into an mRNA molecule.


RNA splicing:

RNA splicing is a process that removes introns and joins exons in a primary transcript. An intron usually contains a clear signal for splicing.
This process is catalyzed by proteins and small nuclear RNAs (snRNAs) that are associated to form the spliceosome.


    • 08_01_bct_03_11_10.MP308_01_bct_03_11_10.MP3
    • 08_02_bct_03_11_10.MP308_02_bct_03_11_10.MP3
    • 08_bct_03_11_10.pdf08_bct_03_11_10.pdf
◄ Articolo Scientifico sulle conseguenze della mutazione delta50 della lamina nucleare
09 citoplasma e traduzione delle proteine ►
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