MBG 2040 Chapter Notes - Chapter 11: Stem-Loop, Complementary Dna, Central Dogma Of Molecular Biology

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Transfer of genetic information: the central dogma: the transfer of genetic information from dna to protein involves two steps, transcription: the transfer of genetic information from dna to rna, translation: the transfer of information from rna to protein. In prokaryotes, the product of transcription, the primary transcript, usually is equivalent to the mrna molecule. In eukaryotes, primary transcripts are precursors to mrnas and, as such, are called pre-mrnas. Key points: the central dogma of molecular biology is that genetic information flows from. Transcription in prokaryotes: a segment of dna that is transcribed to produce one rna molecule is called a transcription unit, the process of transcription can be divided into three stages: Initiation of a new rna chain: elongation of the chain, termination of transcription and release of the nascent rna molecule. Termination of rna chains: termination of rna chains occur when rna polymerase encounters a termination signal, when it does, the transcription complex dissociates, releasing the nascent.

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