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  1. Exon - Wikipedia

    The term exon refers to both the DNA sequence within a gene and to the corresponding sequence in RNA transcripts. In RNA splicing, introns are removed and exons are covalently joined to one …

  2. Exxon Mobil Corporation | ExxonMobil

    3 days ago · ExxonMobil manages an industry-leading portfolio of resources, and is one of the largest integrated fuels, lubricants and chemical companies in the world. We’ve evolved our operating model …

  3. What Is the Difference Between an Intron and an Exon ...

    Oct 12, 2025 · Exons are the segments of a gene that contain the actual coding sequence, which is ultimately expressed to form the final protein product. These expressed regions are conserved and …

  4. Exon - National Human Genome Research Institute

    2 days ago · An exon is a region of the genome that ends up within an mRNA molecule. Some exons are coding, in that they contain information for making a protein, whereas others are non-coding. …

  5. ExxonMobil - Wikipedia

    As the largest U.S.-based oil and gas company, ExxonMobil is the eighth-largest company by revenue in the U.S. and 13th-largest in the world. It is also the largest investor-owned oil company in the world. …

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