Which of the following step occurs immediately after binding of Ca2 with troponin molecule during muscle contraction.?

Biology Mcqs
BILAL KHATTAK0

A. Binding sites of actin get attached to the myosin head.
B. Troponin uncovers the actin binding sites. 
C. Tropomyosin gets removed from the binding sites of actin filaments. 
D. Ca2 goes back inside sarcoplasmic reticulum.

Related Mcqs:

  1. During muscle contraction:
  2. During relaxation the calcium ions are:
  3. Troponin subunit Tpc inhibits actomyosin formation by:
  4. Which of these processes mark the beginning of muscular contraction:
  5. Actin has a strong affinity to myosin and readily combines with it to form actomyosin but this is inhibited by:
  6. The most important function of troponin is___________??
  7. Cross bridges are found on:
  8. A liquid is boiling in a a air tight vessel. Using an exhaust tube, the vapour is pumped out at a faster rate. What happens to the liquid?
  9. When power is transmitted through a considerable distance by means of water under pressure, the maximum power is transmitted when
  10. A pitot tube converts

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