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Earn 100

Role of calcium during muscle contraction is that
(a)It exposes F-actin by conformational change in troponin
(b)It increases affinity of myosin for ATP
(c)It binds to actin binding site on myosin
(d)It prevents contraction of sarcomere

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Important Questions on Locomotion and Movement
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Match the following and choose the correct option from below.
Column-I | Column-II | ||
a | Myasthenia gravis | i | Rapid spasms in muscles |
b | Tetany | ii | Inflammation of joints and accumulation of uric acid. |
c | Gout | iii | Autoimmune disorder |
d | Osteoarthritis | iv | Degeneration of articular cartilage and proliferation of new bone |

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Choose the option that correctly identifies (a), (b), (c) and (d).

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