12.2 evolution of mitosis Flashcards
1
Q
prokaryotes
A
binary fission
2
Q
bacteria
A
origin of replications move to opposite sides
3
Q
dinoflagellates
A
chromosomes attach to nuclear envelope
- microtubules pass through nucleus reinforcing spatial orientation
- divides by some kind of bacterial binary fission
4
Q
diatoms and yeast
A
nucleus has a mitotic spindle WITHIN the nucleus
5
Q
eukaryotic cells
A
nuclear envelope breaks down
-spindle outside the nucleus