The Equator is the imaginary line around the Earth, halfway between the poles. 27 people found this useful.
Cornell researchers have answered a fundamental question about how two strands of DNA separate to start a process called replication, in which genes copy themselves. The research examined the role of an enzyme called a helicase, which plays a major role in separating DNA strands. Share: FULL STORY.
A nuclease is any enzyme that. cuts the phosphodiester bonds of the DNA backbone, and an endonuclease is an enzyme that cuts. somewhere within a DNA molecule. In contrast, an exonuclease cuts phosphodiester bonds by. starting from a free end of the DNA and working inward.