Was the emergence of prokaryotic and
then eukaryotic cells so vanishingly improbable that the chance has not recurred?
Not exact matches
As natural selection kicked in, these bacteria graudally evolved into
eukaryotic cells,
then small colonies,
then multicellular organsims,
then pre-Cambrian biota,
then crusaceans, jellyfish and, later, fish.
IRES was originally discovered in poliovirus RNA, where it promotes translation of the viral genome in
eukaryotic cells.1, 2 Since
then, a variety of IRES sequences have been discovered - many from viruses, but also some from cellular mRNAs.