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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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Explicación general de la transcripción del ADN a ARN en biología.

Earn College Credit Through SNHU with Khan Academy
Earn college credit with Khan Academy through an exciting partnership with Southern New Hampshire University (SNHU) and Schoolhouse.world! Master College Algebra, build your portfolio, and easily transfer credits toward your SNHU degree. Discover how this collaboration makes higher education more accessible, with affordable tuition, flexible learning options, and dedicated academic support ...

The best prompts for faster, better lesson - Khan Academy Blog
The best prompts for faster, better lesson The best prompts for faster, better lesson plans You can ask an AI Chatbot like ChatGPT to create a lesson plan for you, but you probably won’t love the output unless you help the chatbot understand what you’re looking for. Use these series of prompts to get the highest quality lesson plan in the shortest amount of time.

Content Update: AP® Biology is now complete!
Hi everyone! I’m Megan, Biology Content Creator here at Khan Academy. For the past two years, we’ve been working hard to build an AP Biology course full of helpful videos and articles, along with rigorous and engaging practice. This month, we’re publishing a new video and new exercises, quizzes, and a unit test. Here’s the exciting news: With this new content, AP Biology is now ...

Oups. Il y a eu un problème. S'il vous plaît, veuillez reessayer.
Oups. Il y a eu un problème. S'il vous plaît, veuillez reessayer. Oups, on dirait qu'il y a eu une erreur ! Vous devez actualiser. Si le problème persiste, dites-nous.

Content Update: [MCAT - Khan Academy Help Center
Hi, everyone! We are thrilled to announce content improvements we have made to the Khan Academy MCAT course! These improvements include passage, question, and explanation updates to over 80 Biologi...

Khan Academy | Sur chaque sujet, un cours et des exercices entièrement ...
Khan Academy propose des cours gratuits en ligne dans divers domaines tels que les mathématiques, les sciences et l'économie.

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Este artículo de Khan Academy explica los factores de transcripción eucariotas.