A) Lack striations B) Are sm aller than sk eletal musc le fibers C) Have o ne nucleus instead of m any as in skeletal mu scle fibers D) R es po nd to a va rie ty of sig na ls E) All of the above
The fun ction o f M LC K in s m ooth m usc le cells is to
A) Ph os ph or ylate ac tin B) Ph os ph oryla te th e reg ulat ory lig ht c ha in o f m yos in C) D ep ho sp ho ryla te tr op om yos in D) Ph os ph or ylate tro po m yos in E) Regulate the Ca2+ sensitivity of TnC