If you're seeing this message, it means we're having trouble loading external resources on our website.

If you're behind a web filter, please make sure that the domains *.kastatic.org and *.kasandbox.org are unblocked.

To log in and use all the features of Khan Academy, please enable JavaScript in your browser.

Main content

Transcription and RNA processing

Transcription and RNA processing

AP.BIO: IST‑1 (EU), IST‑1.N (LO), IST‑1.N.1 (EK), IST‑1.N.2 (EK), IST‑1.N.4 (EK), IST‑1.N.5 (EK), IST‑1.N.6 (EK)

Google Classroom Facebook Twitter

Eukaryotic pre-mRNA processing

Biology is brought to you with support from the Amgen Foundation

AP® is a registered trademark of the College Board, which has not reviewed this resource.