The first step toward generating a skeletal muscle contraction is the first step toward generating a skeletal muscle contraction is a rise in intracellular ca2+ levels binding of the myosin heads to actin binding of atp to the myosin heads stimulation of the muscle by a nerve ending

Answer ! in your opinion, what are the limiting factors that might affect the growth or diversity of our ecosystem? respond to this question in claim, evidence, reasoning format. 1. make your claim (i are the limiting factors that might affect the growth or diversity of our 2. follow the claim with 3 pieces of evidence. evidence may be taken from the reading, the videos, previous lessons, or googled answers. site sources, too. 3. use reasoning to explain why you chose your evidence.