Transcription: an overview of DNA transcription (article) - Khan Academy
In transcription, the DNA sequence of a gene is transcribed (copied out) to make an RNA molecule.

Stages of transcription - Khan Academy
An in-depth looks at how transcription works. Initiation (promoters), elongation, and termination.

Transcription and mRNA processing - Khan Academy
Transcription involves rewriting genetic information from DNA to mRNA, with RNA polymerase playing a crucial role. In eukaryotic cells, DNA to mRNA transcription occurs within the nucleus, producing pre-mRNA. This pre-mRNA undergoes processing, including the addition of a 5' cap, a poly-A tail, and splicing out introns, resulting in mature mRNA, which then leaves the nucleus for protein ...

Les étapes de la transcription (leçon) | Khan Academy
Un examen approfondi du fonctionnement de la transcription. Initiation (promoteurs), élongation et terminaison.

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Etapas de la transcripción (artículo) | Khan Academy
Una revisión a fondo sobre cómo funciona la transcripción. Iniciación (promotores), elongación y terminación.

DNA replication and RNA transcription and translation
DNA serves as the molecular basis of heredity through replication, expression, and translation processes. 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 functions.

Eukaryotic pre-mRNA processing | RNA splicing (article) - Khan Academy
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 RNA (mRNA).

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Transcription and mRNA processing (article) | Khan Academy
Transcription: the synthesis of RNA from a DNA template The first stage of gene expression is transcription, during which a gene’s nucleotide sequence is transcribed, or copied, into an mRNA molecule. The enzyme primarily responsible for transcription is RNA polymerase.