Half a century ago, as 1968 came to a close, one event brought people together not only in America but also around the globe.
About the movement of organelles: There are molecular motor proteins that haul them around!
The “selectivity filters” in membrane channels of living cells are able to discriminate between very similar molecules or atoms using complex mechanisms.
The nucleus is a beehive of activity, where information is not just stored but processed, protected, transcribed, and duplicated by highly complex machines.
René Descartes conceived of living things as complex machines, a concept now known as the “machine metaphor.”