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Sumario Dogma central de la biología
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Resumen corto del dogma central de la biología englobando la transcripción, la traducción y la replicación.
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Transmisión de la informacióngenética
Dogma central
Es la información que fluye del ADN al ARN y de éste a las proteínas. Pasa por
las siguientes fases: replicación, transcripción y traducción.
La replicación es una secuencia de nucleótidos con “origen de replicación” que
comienza de 3’ a 5’. Es bidireccional en ambas horquillas de replicación y
participan distintas enzimas:
• Enzimas helicasas separan ambas cadenas rompiendo los puentes de
hidrogeno y las proteínas de unión estabilizan.
• Topoisomerasas son quienes relajan superenrollamiento ayudando a la
elasticidad de la hebra de ADN y luego unen.
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