Based on the given scenario, the best way to be used to
promote the safest movement of the patient is that the four rescuers present
should have each destined location on the patient where in, one of them should
be on the head, the other at the feet, and the two should be on each of the
side of the backboard.
It would be d. in your conclusion you want to state if your hypothesis was right or wrong and why.
The enzyme responsible for that is DNA helicase.