Which of the following step occurs immediately after binding of Ca2+ with troponin molecule during muscle contraction.
ACa2+ goes back inside sarcoplasmic reticulum.
BTropomyosin gets removed from the binding sites of actin filaments.
CBinding sites of actin get attached to the myosin head.
DTroponin uncovers the actin binding sites.
Correct answer
B. Tropomyosin gets removed from the binding sites of actin filaments.
Explanation
Tropomyosin gets removed from the binding sites of actin filaments. is the correct answer. Review the question and compare it with the other choices to remember this fact for future exams.