Answer: your answer is correct A. fact one
<span>Cross bridges are created when myosin heads bind to ATP. This phenomenon is basically muscle contraction at work. In order for myosin heads to be bound with ATP at the actin active site, it must be excited with Calcium.
Once myosin heads bind with ATP, it begins to slide and perform muscle contractions in the body, allowing a person to move.</span>
<span>hierarchical is the broadest categories in the classification of life is called.</span>
Answer:
It heats the Earth unevenly, creating warm spots and cool spots
