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Read the following statements and find o...

Read the following statements and find out the incorrect statement. 

A

White fibre has high amount of sarcoplasmic reticulum but the number of mitochondria are few

B

White fibre depends on an anaerobic process for energy

C

The reaction time of the fibres can vary in different muscles

D

The process of cross-bridge formation and breaking continues till the calcium ions are pumped back to the sarcoplasmic cistemae resulting in the masking of myosin filaments.

Text Solution

Verified by Experts

The correct Answer is:
D

The process of cross-bridge formation and breaking continues till the calcium ions are pumped back to the sarcoplasmic cisternae resulting in the masking of actin filaments.
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A2Z-LOCOMOTION AND MOVEMENT-Section A: Topicwise Questions Topic 3 : Mechanism Of Muscle Contraction
  1. In which of the following steps of muscle contraction energy is utilis...

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  2. In the given figure how many sarcomeres are seen?

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  3. Read the following statements and find out the incorrect statement.

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  4. Statements: 1. A bands are dark and contain myosin.  I-bands are ligh...

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  5. During contraction of muscles Ca^(2+) attaches to

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  6. Substance that accumulates in a fatigued muscle is

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  7. Muscle band that remains unchanged during contraction and relaxation o...

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  8. Match the following and mark the correct option {:("Column I", " ""C...

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  9. ATPase enzyme needed for muscle contraction is located in " ...

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  10. The functional unit of contractile system in a striated muscle is

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  11. Which one is a bone of forelimb?

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  12. Red muscles fibres are rich in

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  13. The reactions which change lactic acid into glycogen

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  14. Sliding filament theory of muscle contraction was given by

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  15. Which is true of muscle contraction?

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  16. During muscle contraction

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  17. Which of the following ions help in muscle contraction ?

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  18. During strenous exercise glucose is converted into

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  19. Which of the following is a source of energy for muscle contraction ?

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  20. Which one yields ATP required for muscle contraction?

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