Looks like the stages of mitosis (cell division): https://www.nature.com/scitable/topicpage/mitosis-and-cell-division-205/ https://www.nature.com/scitable/topi

Looks like the stages of mitosis (cell division): https://www.nature.com/scitable/topicpage/mitosis-and-cell-division-205/ https://www.nature.com/scitable/topicpage/mitosis-and-cell-d... The faint lines are the cell walls and the bright spots in the middle would be the DNA. I can believe this is what they're going for with a bit of squinting.