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  1. Intron - Definition, Function and Structure | Biology Dictionary

    Aug 6, 2017 · An intron is a stretch of DNA that begins and ends with a specific series of nucleotides. These sequences act as the boundary between introns and exons and are known …

  2. Intron - Wikipedia

    Intron An intron is any nucleotide sequence within a gene that is not expressed or operative in the final RNA product. The word intron is derived from the term intr agenic regi on, i.e., a region …

  3. Intron - National Human Genome Research Institute

    2 days ago · An intron is a region that resides within a gene but does not remain in the final mature mRNA molecule following transcription of that gene and does not code for amino acids …

  4. Introns- Definition, Structure, Functions, Classes, Splicing

    Aug 3, 2023 · Introns are non-coding regions in DNA found between exons in a gene. Introns have a role in regulation and gene expression. Intron vs Exon.

  5. Intron - Definition, Structure, Functions - Biology Notes Online

    May 30, 2024 · Introns, which are the non-coding portions of nucleotides, are not highly conserved. Therefore, removing introns is necessary to prevent the creation of erroneous …

  6. What Are Introns and What Is Their Function? - Biology Insights

    Aug 14, 2025 · Introns are the non-coding, intervening sequences interspersed within these exons. Think of a gene as a recipe in a cookbook. Exons are the precise, actionable steps and …

  7. intron / introns | Learn Science at Scitable - Nature

    Introns are non-coding sections of an RNA transcript, or the DNA encoding it, which are spliced out, or removed, before the RNA molecule is translated into a protein.

  8. Intron Definition and Examples - Biology Online Dictionary

    Jan 19, 2021 · An intron is a nucleotide sequence within a gene. It is a noncoding sequence.

  9. Intron - (General Biology I) - Vocab, Definition, Explanations

    An intron is a non-coding segment of a gene that is transcribed into RNA but is removed during the process of RNA splicing before translation into a protein.

  10. Definition of intron - NCI Dictionary of Genetics Terms - NCI

    intron (IN-tron) The sequence of DNA in between exons that is initially copied into RNA, but is cut out of the final, mature messenger RNA transcript. Introns do not code for amino acids that …