Complex sentence: For instance, the 70 S ribosome that comes from bacteria has actually a sedimentation coefficient of 70 svedberg, although it is composed of a 50 S subunit and a 30 S subunit.
Split into simpler sentences: For instance, the 70 S ribosome that comes from bacteria actually has a sedimentation coefficient of 70 svedberg. It is composed of a 50 S subunit and a 30 S subunit.