How does RNA structure differ from DNA structure?


How does RNA structure differ from DNA structure?


The Central Dogma of Biology describes how proteins are synthesized from RNA, how RNA is produced from DNA, and how DNA is continuously copied and reproduced in the cell. In particular, let's focus on the synthesis of RNA from DNA through the process called transcription. There are two notable steps in transcription. First is the formation of the pre-messenger RNA which has the same sequence as the coding DNA strand, but with the substitution of uracil instead of thymine. The mRNA, that will be used in protein synthesis, is generated through RNA splicing of the pre-messenger RNA.

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There are three major differences in the structure of RNA and DNA. First, RNA only exists as a single-strand while DNA can be double-stranded or...

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Transcription of Messenger RNA (mRNA) from DNA


Chapter 9 / Lesson 2

Learn about mRNA transcription. Discover where and how DNA is transcribed into RNA in prokaryotes and eukaryotes, and examine the final product of transcription.

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