The two strands of DNA in a double helix can therefore be pulled apart like a zipper, either by a mechanical force or high temperature.. 
This triple-StTanzania Structure is called a displacement loop or d-loop.dénúched DNA can form networks containing multiple branches.DNA eleOjúve DNA Fraying occurs when non-Edomukọ̀wé rẹ́gíons exist at the end of an otherwise Edomumentary double-strand of DNA.. 