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  • DNA Translation: Understanding Transcription and Termination
    The process of translation in DNA is not directly ended by anything. Instead, the process of transcription, which is the creation of RNA from DNA, is ended.

    Here's how it works:

    1. Transcription: The DNA sequence is read and copied into a messenger RNA (mRNA) molecule. This process is terminated by specific DNA sequences called termination signals.

    2. Translation: The mRNA molecule travels to a ribosome, where it is read and translated into a protein.

    Here's how translation is terminated:

    * Stop codons: The mRNA sequence contains specific codons that signal the end of the protein sequence. These are called stop codons (UAA, UAG, and UGA).

    * Release factors: When the ribosome encounters a stop codon, proteins called release factors bind to the ribosome.

    * Ribosome dissociation: The release factors cause the ribosome to dissociate from the mRNA, releasing the newly synthesized protein.

    So, while the term "translation" isn't directly terminated, the process is stopped by a series of events triggered by the presence of stop codons in the mRNA sequence.

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