Intron (Noun)
Meaning
Sequence of a eukaryotic gene's DNA that is not translated into a protein.
Classification
Nouns denoting substances.
Examples
- The eukaryotic gene's DNA sequence consisted of exons and introns, which were eventually separated during the splicing process.
- During RNA processing, the cell removes the intron and joins the adjacent exons together to form a mature messenger RNA molecule.
- Introns do not encode amino acids and are often much longer than the exons, which do encode amino acids.
- In the sequence of a eukaryotic gene's DNA, exons carry the genetic information necessary for protein synthesis, while introns do not.
- The concept of introns challenged the original understanding of gene structure and led scientists to reevaluate the central dogma of molecular biology.