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  1. Khan Academy

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  2. The genetic code (article) | Khan Academy

    As we saw above, the genetic code is based on triplets of nucleotides called codons, which specify individual amino acids in a polypeptide (or "stop" signals at its end).

  3. The genetic code & codon table (article) | Khan Academy

    The genetic code links groups of nucleotides in an mRNA to amino acids in a protein. Start codons, stop codons, reading frame.

  4. Overview of translation (article) | Khan Academy

    How the nucleotide sequence of an mRNA is translated into the amino acid sequence of a polypeptide (protein).

  5. O código genético (artigo) | Khan Academy

    Como a informação contida em uma cadeia de mRNA é decodificada para formar um polipeptídeo? Aprenda como grupos de três nucleotídeos, chamados códons, especificam os …

  6. mRNA code and translation (article) | Khan Academy

    This article covers the foundational concepts of codons, anticodons, the wobble hypothesis, and the universal nature of the genetic code, with applications that are essential for MCAT …

  7. Stages of translation (article) | Khan Academy

    An in-depth look how polypeptides (proteins) are made. Initiation, elongation, and termination.

  8. Stages of transcription: initiation, elongation & termination (article ...

    An in-depth looks at how transcription works. Initiation (promoters), elongation, and termination.

  9. Le code génétique (leçon) | Khan Academy

    Par exemple, la proline est représentée par quatre codons différents (CCU, CCC, CCA et CCG). Si l'un de ces codons apparaît dans un ARNm, il entraîne l'ajout de la proline à la chaîne …

  10. Types of mutations and their notations (article) | Khan Academy

    Frameshift Mutation: If the number of inserted or deleted nucleotides is not a multiple of three, it causes a shift in the reading frame, altering all downstream codons. This can result in a …