The genetic material, DNA, must undergo replication before a cell enters mitosis. DNA replication results in two identical copies of the DNA.
The organization that issued the cred for communication ethics would be the national ethics association. Hope this helps!
Answer:
Eukaryotic cells have a membrane-bound nucleus.
Prokaryotic cells do not. The nucleus is where Eukaryotic stores their genetic information.
The correct answer to this question is this one: they lacked oxygen. The earliest organisms were completely heterotrophic in nature because of the reason that they lacked oxygen. <span>A heterotroph is an organism that cannot fix carbon and uses organic carbon for growth. </span>
