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  • What would happen if ATP suddenly were not available after the sarcomere had started to shorten ?  Option: 1 Cross bridges would not be abl

What would happen if ATP suddenly were not available after the sarcomere had started to shorten ?  

Option: 1

Cross bridges would not be able to detach from actin 


Option: 2

Muscle would remain in a state of rigidity 


Option: 3

Muscle would relax immediately 


Option: 4

Both (1) and (2)


Answers (1)

best_answer

As we have learned

Contractions -

The myosin, releasing the ADP and P1 goes back to its relaxed state. A new ATP binds and the cross-bridge is broken.

- wherein

The ATP is again hydrolysed by the myosin head and the cycle of cross bridge formation and breakage is repeated causing further sliding.

 

 

 

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mansi

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