In most eukaryotic genes, coding regions (exons) are interrupted by noncoding regions (introns). During transcription, the entire gene is copied into a pre-mRNA, which includes exons and introns. ​. Views · View Upvotes.
https://www.quora.com/What-are-introns-and-exons-in-DNA
Definition of exon. : a polynucleotide sequence in a nucleic acid that codes information for protein synthesis and that is copied and spliced together with other such sequences to form messenger RNA — compare intron.
https://www.merriam-webster.com/dictionary/exon
Removal of introns by the spliceosome influences many stages of mRNA metabolism, name these 6. Initial transcription, editing, polyadenylation of pre-mRNA, nuclear export, translation efficiency and decay of mRNA.
https://quizlet.com/39686306/introns-flash-cards/
Introns are required for the specific modification of some exon sequences. ADAR enzymes, adenine deaminases that act on RNA, convert adenosine to inosine (A-->I) in dsRNA. Intramolecular base pairing between the exon in a complementary sequence in an intron forms a substrate for the ADARs.
https://quizlet.com/39686306/introns-flash-cards/
Exon - RNA sequences in the primary transcript that are found in the mRNA. Intron - RNA sequences between exons that are removed by splicing. Introns have been found in eukaryotic mRNA, tRNA and rRNA, as well as chloroplast, mitochondrial and a phage of E. coli. Eubacteria are the only species in which introns have not been found.
https://www.ndsu.edu/pubweb/~mcclean/plsc731/transcript/transcript4.htm
An exon is any part of a gene that will encode a part of the final mature RNA produced by that gene after introns have been removed by RNA splicing. 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 another as part of generating the mature messenger RNA.
https://en.wikipedia.org/wiki/Exon
Removal of each intron individually produced a decrease in production of insulin protein but had a larger decrease in the amount of nuclear and cytoplasmic mRNA showing that the translation must have been upregulated to maintain normal insulin levels.
https://quizlet.com/39686306/introns-flash-cards/
Genes contain exons which are regions coding for proteins and which are interrupted by the unused sequences called introns. Exons have been found to include both sequences coding for amino acids and untranslated sequences. The introns are removed and the exons are joined together to form the final functional mRNA.
http://www.biology-online.org/dictionary/Exon
Introns and exons are parts of genes. exons code for proteins, whereas introns do not. Exons are parts of DNA that are converted into mature messenger RNA . The process by which DNA is used as a template to create mRNA is called transcription.
https://www.quora.com/What-are-introns-and-exons-in-DNA
Medical Definition of exon. : a polynucleotide sequence in a nucleic acid that codes information for protein synthesis and that is copied and spliced together with other such sequences to form messenger RNA—compare intron.
https://www.merriam-webster.com/dictionary/exon
what are exons
An exon is any part of a gene that will encode a part of the final mature RNA produced by that gene after introns have been removed by RNA splicing.