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ÀCIDS NUCLIECS

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by

Carol RS

on 15 January 2014

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Transcript of ÀCIDS NUCLIECS

La
Base Nitrogenda
:

és la molècula que aporta el nitrogen.

Hi ha 5 bases nitrogenades diferents:

Adenina,Guanina,Citosina


Timina

Uracil
El fosfat
:

molècula invariable.
El sucre
:

Hi ha dos sucres disponibles per poder formar nucleòtids.

La ribosa, que s'utilitza per formar nucleòtids de ARN.

La desoxiribosa, que s'utilitza per formar nucleòtids d'ADN.
ADN
ARN
ÀCIDS NUCLIECS

Bases
Nucleòtids ADN
El nucleòtid
Subunitat bàsica per formar àcids nucleics
Ribosa i Desoxiribosa
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