12.2 evolution of mitosis

Question 1

prokaryotes

Answer 1

binary fission

Question 2

bacteria

Answer 2

origin of replications move to opposite sides

Question 3

dinoflagellates

Answer 3

chromosomes attach to nuclear envelope

• microtubules pass through nucleus reinforcing spatial orientation
• divides by some kind of bacterial binary fission

Question 4

diatoms and yeast

Answer 4

nucleus has a mitotic spindle WITHIN the nucleus

Question 5

eukaryotic cells

Answer 5

nuclear envelope breaks down

-spindle outside the nucleus