The answer is B. Underline.
Hope this helps!!! : )
ATP-driven pumps will move Ca ++<span> out of the sarcoplasm back into the SR. This results in the “reshielding” of the </span>actin<span>-binding sites on the thin filaments. Without the ability to form cross-bridges between the thin and thick filaments, the </span>muscle<span>fiber loses its tension and relaxes.</span>
No. They are called prescription glasses for a reason. However, you can buy reading glasses without a prescription. My mum buys them from the dollar store and they work quite well and last a long time. Hope this helps at least a little bit. Have a nice day.
B) The North Atlantic Treaty Organization
