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Role of calcium in muscle contraction is...

Role of calcium in muscle contraction is ……….

A

to break the cross bridges as a cofactor in the hydrolysis of ATP

B

to bind with troponin, changing its shape so that the actin filamen is exposed

C

to transmit the action potential across the neuromuscular junction.

D

to re-establish the polarisation of the plasma membrane following an action potential

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CHETANA PUBLICATION-LOCOMOTION AND THEIR MOVEMENTS-EXERCISE
  1. Muscle fatigue is due to accumulation of ………….

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  2. Swelling of sprained foot is reduced by soaking in hot water containin...

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  3. Role of calcium in muscle contraction is ……….

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  4. Hyper-secretion of parathormone can cause which of the following disor...

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  5. Locomotion in sperms takes place with the help of ………. .

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  6. Bones act as…………..during locomotion.

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  7. Sutures on the skull are………..joints.

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  8. Intervertebral disc consists of …… .

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  9. Slightly movable joints are also known as ………. .

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  10. Synovial fluid is present in …….. .

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  11. Two articulating bones are connected by …… .

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  12. Elbow joints are ………..joint.

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  13. Human body consists of about ……..different types of muscles.

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  14. Muscles attach to the bones with the help of ... .

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  15. Actin binding sites are located on ……… .

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  16. Coccygeal bone is formed by the fusion of……. bones in man.

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  17. Chemical ions responsible for muscle contraction are

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  18. The joint of radio-ulna with the upper arm is…….. .

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  19. Which of the following option showscorrect order of some states of mus...

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  20. Read the statements regarding muscle proteins. (I)Actin is a thin fi...

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