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  • Messenger RNA (mRNA): The Cellular Messenger - Function & Process
    The type of RNA that brings the information in the genetic code from the nucleus to other parts of the cell is messenger RNA (mRNA).

    Here's how it works:

    1. Transcription: DNA in the nucleus is transcribed into mRNA. This means the genetic code is copied from DNA into the mRNA molecule.

    2. mRNA processing: The mRNA undergoes some modifications before it leaves the nucleus.

    3. Export: The processed mRNA leaves the nucleus and travels to the cytoplasm.

    4. Translation: The mRNA molecule interacts with ribosomes (cellular structures that synthesize proteins) and transfer RNA (tRNA) to translate the genetic code into a protein.

    So, mRNA acts as the messenger, carrying the genetic instructions from the DNA in the nucleus to the ribosomes where proteins are made.

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