When does dna replication take place

Witch type of microscope is used to view very small cell components like proteins and dna?

About how many years does it take for one cycle of surface water to become deep water and then surface water again in the oceans? 101001,000

Which of the following describes how binary fission and mitosis are similar? a)they are both used for growth or repair b)they both break down membrane-bound nuclei c)both invoke the replication of a single stand of dna d)both replicate genetic material