[Answer] What are introns?

Answer: -portions of RNA that are cut out and discarded

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What are introns? Intron - Simple English Wikipedia the free encyclopedia Intron - Wikipedia Intron - Wikipedia Intron - Wikipedia An intron (for intragenic region) is any nucleotide sequence within a gene that is removed by RNA splicing during maturation of the final RNA product. In other words introns are non-coding regions of an RNA transcript or the DNA encoding it that are eliminated by splicing before translation. The word intron is derived from the term intragenic region i.e. a region inside a gene. The term intron refers to bo… An intron (for intragenic region) is any nucleotide sequence within a gene that is removed by RNA splicing during maturation of the final RNA product. In other words introns are non-coding regions of an RNA transcript or the DNA encoding it that are eliminated by splicing before translation. The word intron is derived from the term intragenic region i.e. a region inside a gene. The term intron refers to both the DNA sequence within a gene and the corresponding sequence in RNA transcripts. Sequences that are joined together in the final mature RNA after RNA splicing are exons. Introns are found in the genes of most organisms and many viruses and can be located in a wide range of genes including those that generate proteins ribosomal RNA (rRNA) and transfer RNA (tRNA). When proteins are generated from intron-containing genes RNA splicing takes place as part of the RNA processing pathway that follows transcription and precedes translation. Introns were first discovered in protein-coding genes of adenovirus and were subsequently identified in genes encoding transfer RNA and ribosomal RNA genes. Introns are now known to occur within a wide variety of genes throughout organisms and viruses within all of the biological kingdoms. Introns were first discovered in protein-coding genes of adenovirus and were subsequently identified in genes encoding transfer RNA and ribosomal RNA genes. Introns are now known to occur within a wide variety...

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