exon

/ek-son/US // ˈɛk sɒn //UK // (ˈɛksɒn) //

外显子,外激素,外子,外元

Definitions

n.名词 noun

1
- : one of four yeomen of the guard who act as commanding officers in the absence of higher authority.

As introns are removed during splicing, one exon also gets axed from the resulting SMN2 RNA—exon 7.
The cell then snips out these extraneous bits, leaving only exons to form mature RNA that can make proteins.
In 1837 he was appointed exon of the Yeomen of the Guard, which he held up to 1849.
Exon librum istum cum pari suo, in festo Annuntiationis Dominice.
But, it will be seen, the 'tenuit' of Domesday is equated by the 'emit' of the Exon book.
We have not seen dominicum used as a substantive; but in the Exon.
I do not believe that there could be found under heaven another man like this exon.