- 1(current)
Q. No.Calcium is important in skeletal muscle contraction because it:
| 1. | binds to troponin to remove the masking of active sites on actin for myosin. |
| 2. | activates the myosin ATPase by binding to it. |
| 3. | detaches the myosin head from the actin filament. |
| 4. | prevents the formation of bonds between the myosin cross bridges and the actin filament. |
Subtopic: Excitation Contraction Coupling I | Sliding Filament Theory | Muscle Contraction: Other Considerations |
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NEET MCQ Books for XIth & XIIth Physics, Chemistry & BiologyName the ion responsible for unmasking of active sites for myosin for cross-bridge activity during muscle contraction.
(1) Calcium
(2) Magnesium
(3) Sodium
(4) Potassium.
Subtopic: Sliding Filament Theory |
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NEET MCQ Books for XIth & XIIth Physics, Chemistry & Biology- 1(current)
Q. No.
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