Transcription - extras for HL

IB Biology: Transcription - extras for HL

This lesson begins with a review of the process of transcription and the role of RNA polymerase but quickly turns to the control of gene expression using nucleosomes and methylation. Experiments with Drosophila on board the International Space station serve as examples. The final short activity shows how the splicing of mRNA can also affect the proteins produced.Why does RNA synthesis progress in just one direction?


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