
Overview of transcription - Khan Academy
Transcription is the first step in gene expression, in which information from a gene is used to construct a functional product such as a protein. The goal of transcription is to make a RNA …
Stages of transcription: initiation, elongation & termination (article ...
An in-depth looks at how transcription works. Initiation (promoters), elongation, and termination.
Transcription and mRNA processing - Khan Academy
Transcription is when we take the information encoded in the gene in DNA and encode essentially that same information in mRNA. So transcription we are going from DNA to messenger RNA, …
Regulation of transcription (video) | Khan Academy
Now a few notes about the differences between prokaryotes and eukaryotes when it comes to transcriptional regulation. In prokaryotes, the regulation of transcription is really needed for the …
Eukaryotic pre-mRNA processing | RNA splicing (article) - Khan …
The molecule that's directly made by transcription in one of your (eukaryotic) cells is called a pre-mRNA, reflecting that it needs to go through a few more steps to become an actual messenger …
Les étapes de la transcription (leçon) | Khan Academy
La transcription est une étape essentielle de l'exploitation des informations génétiques de notre ADN pour fabriquer des protéines. Les protéines sont les molécules clés qui structurent les …
Transcription factors (article) | Khan Academy
Proteins called transcription factors, however, play a particularly central role in regulating transcription. These important proteins help determine which genes are active in each cell of …
DNA replication and RNA transcription and translation
Replication creates identical DNA strands, while transcription converts DNA into messenger RNA (mRNA). Translation then decodes mRNA into amino acids, forming proteins essential for life …
转录概述 (文章) | 转录和RNA加工 | 可汗学院 - Khan Academy
Transcription: DNA-directed RNA synthesis. In Life: the science of biology (7th ed., pp. 237-239). Sunderland, MA: Sinauer Associates. Raven, P. H., Johnson, G. B., Mason, K. A., Losos, J. …
Transcription (practice) | 3rd quarter | Khan Academy
Test your knowledge on the process of transcription!