Bonjour j'ai besoin d'aide en svt.

Rédiger un texte présentant l'ensemble des caractéristiques de l'ADN et expliquer en quoi il s'agit une molécule universelle.
Aide : Dans votre texte, il faut utiliser les mots suivants : chromosome, noyau, hélice, nucléotides, universelle, ordre et nombre de nucléotides, complémentaire, etc...

Merci pour votre aide !

By: USER5483
26 Agustus 2025 svt 5 minutes
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Question

Grade: Education Subject: svt
Bonjour j'ai besoin d'aide en svt.

Rédiger un texte présentant l'ensemble des caractéristiques de l'ADN et expliquer en quoi il s'agit une molécule universelle.
Aide : Dans votre texte, il faut utiliser les mots suivants : chromosome, noyau, hélice, nucléotides, universelle, ordre et nombre de nucléotides, complémentaire, etc...

Merci pour votre aide !
Asked by:
384 Viewed 384 Answers

Answer (384)

Best Answer
(306)
je pense 
La transgenèse est une manipulation qui consiste à introduire un gène « étranger » ou transgène c’est à dire provenant d’une espèce donneuse, dans une cellule d’une autre espèce (espèce receveuse), modifiant ainsi le patrimoine génétique de cette cellule.
Answered on 26 Agustus 2025

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