The process by which mRNA is processed can be divided into several stages. In order to accommodate the larger number of stills contained in Advanced Look, the selected images have been grouped into pages that correspond with these areas.

To see the Windows Media movie for the following sequences of images, click here.

A strand of mRNA ready for splicing is known as a primary transcript. More detail...		The complex responsible for splicing mRNA is known as the spliceosome. More detail...		The spliceosome uses markers in the primary transcript to guide its splicing action. More detail...