In my research I figured out that it would be the 4th one
Answer:
Option (A).
Explanation:
Muscle contraction may be defined as the physiological process of the activation of tension generating sites that occur within the muscle fibers. Actin, myosin, troponin and other proteins are important for muscle contraction.
The calcium ion is important for the muscle contraction. The binding of calcium with troponin causes the movement of tropomyosin out of the grooves between the actin molecules during muscle contraction.
Thus, the correct answer is option (A).
Answer:
Explanation:
no for this one but i couldn't add this to theother one . Seven more than twice a number is greater than negative eleven.
Answer:
B. it attaches to the RNA polymerase
Explanation:
From the deepest to most superficial: pia mater, arahnoid, dura mater
