I am pretty sure that the answer is B.
The helicase unwinds or unzips the parent stand
Well it really depends on the human body... Decompose?
24-72 hours after death, the internal organs begin to decompose. 3-5 days after death the body starts bloating. Blood-containng foam begins leaking from mouth and nose. 8-10 days after death, massive decompostion of organs in abdomin accumulate massive gas; body turns from green to red becuase of blood decomposition. Several weeks after death the nails and teeth begin to fall. 1 month after death the body starts to become fluid.
