Very long and large organic molecules called are made of small units called
. Examples of the small units include sugars, which combine to form
; nucleotides, which form
; and amino acids, which form

after a the power stroke, adp is released, but the cross-bridge formed is still in place. atp then binds to myosin, moving the myosin to its high-energy state, releasing the myosin head from the actin active site.

regulate growth

produce insulin

control bladder

regulate bone calcium

control metabolism

produce adrenaline