Pre-mRNA: Difference between revisions
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Pre-mRNA is a single stranded RNA which has been transcribed from DNA in the nucleus, it still contains introns so is the same length as the DNA it was transcribed from. Unlike DNA the pre-mRNA contains uracil bases instead of | Pre-mRNA is a single stranded [[RNA|RNA]] which has been transcribed from [[DNA|DNA]] in the [[Nucleus|nucleus]], it still contains [[Intron|introns]] (non-coding sections of RNA) and so is the same length as the DNA it was transcribed from. Unlike DNA the pre-mRNA contains [[Uracil|uracil]] bases instead of [[Thymine|thymine]]. This pre-mRNA will later be spliced by [[Enzymes|enzymes]] which remove the [[Introns|introns]] creating a new, mature, shorter strand of [[MRNA|mRNA]] which will then leave the [[Nucleus|nucleus]] to be transcribed at a [[Ribosome|ribosome]]. | ||
Latest revision as of 15:59, 19 October 2014
Pre-mRNA is a single stranded RNA which has been transcribed from DNA in the nucleus, it still contains introns (non-coding sections of RNA) and so is the same length as the DNA it was transcribed from. Unlike DNA the pre-mRNA contains uracil bases instead of thymine. This pre-mRNA will later be spliced by enzymes which remove the introns creating a new, mature, shorter strand of mRNA which will then leave the nucleus to be transcribed at a ribosome.