Http://www.brooklyn.cuny.edu/bc/ahp/LAD/C3/C3_elecEnergy.html
^ this website might help with your question. = )
Answer:
The primary archery muscles of the shoulders and upper back are the rhomboids, levator scapulae, trapezius, deltoids, latissimus dorsi, and the rotator cuff muscle group, which includes the supraspinatus, infraspinatus, and teres minor.
Helicase. It unwinds and breaks the hydrogen bonds so other molecules can move on to the DNA strand and begin replication.