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Chapter 2

The Central Dogma in Molecular Biology

The central dogma tells that the genetic information coded by DNA molecules, first transferred to RNA molecules as intermediated molecules, is then transferred to protein molecules. In other words it says that the genetic information is saved as sequences of nucleic acids but the function has to be expressed in the form of proteins. There are three steps in the conversion of the genetic information to the proteins: replication, transcription and translation. Figure 2.1 shows the principals of central dogma.

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18 Oct 2010
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