Stages of transcription: initiation, elongation ... - Khan Academy
An in-depth looks at how transcription works. Initiation (promoters), elongation, and termination.
Molecular structure of RNA - Khan Academy
RNA plays various roles in cells, including messenger RNA (mRNA), transfer RNA (tRNA), ribosomal RNA (rRNA), and microRNA, and it is a vital part of processes such as transcription, …
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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 …
Eukaryotic pre-mRNA processing - Khan Academy
In this article, we'll take a closer look at the cap, tail, and splicing modifications that eukaryotic RNA transcripts receive, seeing how they're carried out and why they are important for making …
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Learn about transcription and RNA processing, including how genetic information is transcribed from DNA to mRNA.
Overview of translation (article) | Khan Academy
How the nucleotide sequence of an mRNA is translated into the amino acid sequence of a polypeptide (protein).
Regulation after transcription (article) | Khan Academy
Alternative splicing, miRNAs and siRNAs, translation initiation factors, & protein modifications.
Intro to gene expression (central dogma) - Khan Academy
In transcription, the DNA sequence of a gene is copied to make an RNA molecule. This step is called transcription because it involves rewriting, or transcribing, the DNA sequence in a …
Unit 6: Molecular genetics - Khan Academy
RNA and protein synthesis review (Opens a modal) Practice. Transcription and translation Get 3 of 4 questions to level up! Codons and mutations Get 3 of 4 questions to level up! …
RNA world (article) | Natural selection | Khan Academy
Until recently, RNA was thought of as little more than a messenger between DNA and proteins, carrying instructions as messenger RNA (mRNA) to build proteins. However, RNA can do far …