A Rep (repetition) is one complete motion of an exercise.
For example, if the teacher asks you to do 10 by 4 push-ups, then a "rep" would be your first 10 push-ups finished.
The answer is d.) tropomyosin will be moved out of the way and muscle contractions will not occur.
Stuff like this is what gets you banned.
A favor or solid. I hope this helps you with your question.
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hope it works lllllllllllllllllllllllll
i wrote that because it has to be at least 20 charecters long