RNA transcription initiation

SKU: 92bacp_3 Categories:dna, videos Tags:dna, eukaryote, gene, gene expression, genetics, initiation, initiation complex, mrna, nuclear pore, nucleus, pol ii, polymerase, rna, RNA polymerase, translation

Description

Description

This video shows a trip inside a eukaryotic cell and the initiation of RNA transcription. Eukaryotic cells are protected by a cell membrane (yellow) and contain a nucleus surrounded by a nuclear envelope (dark blue). Nuclear pores (red) on the nuclear envelope allow for the movement of materials, such as mRNA, in and out of the nucleus. Inside the nucleus, DNA (blue) is in the compact form of nucleosomes. Here, a portion of DNA coding for a specific gene is transcribed by RNA polymerase II (gray) into RNA (lilac). The initiation factors (multicolored) stay attached to the DNA, and a new RNA polymerase II (RNA Pol II) attaches, repeating transcription.

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