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LA TRANSCRIPTION - UPMC

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3'<br />

<strong>LA</strong> <strong>TRANSCRIPTION</strong><br />

5' 3'<br />

ARN polymérase<br />

ADN<br />

ARN<br />

sens de transcription<br />

5' 3'<br />

G A C C T A G A<br />

C T G G A T C T<br />

3' 5'<br />

G A C C U A G A<br />

5' 3'<br />

P P P<br />

γ<br />

ribonucléotide n-1<br />

liaison ester<br />

β<br />

α<br />

5'<br />

CH2<br />

3'<br />

O<br />

OH OH<br />

liaison ester<br />

β-ribose<br />

ribonucléotide n+1<br />

2'<br />

base<br />

azotée<br />

5'<br />

brin non transcrit<br />

brin transcrit<br />

brin non transcrit<br />

brin transcrit<br />

liaison N-glycosidique<br />

ribonucléotide n

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