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What is the location of troponin in the ...

What is the location of troponin in the process of muscle contraction

A

Attached to myosin filament

B

Attached to tropomyosin

C

Attached to myosin cross-bridges

D

Attached to T-tubule

Text Solution

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The correct Answer is:
B
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Go through the following statements During muscle contraction, the width of A-band remains constant while I-band shortens. During muscle contraction, the Ca^(2+) released from the SR bind to the troponin component of thin filament The process of muscle contraction is faster in smooth muscle as they have a well developed sarcoplasmic reticulum. The red muscle fibres have abundant mitochondria, low glycogen and poorly formed sarcoplasmic reticulum.

Cardiac muscle contracts

A2Z-LOCOMOTION AND MOVEMENT-SECTION C : Previous Years' Examination Questions (NEET/AIPMT Questions)
  1. Which one of the following is correct description of a certain part of...

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  2. The ankle, knee and elbow joints are

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  3. What is the location of troponin in the process of muscle contraction

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  4. Which one has oxygen storing capacity

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  5. Which is not true for red fibres

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  6. In mammals the number of cervical vertebra is

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  7. Which opening occurs in a pair?

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  8. Symphysis consists

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  9. Select the correct matching of the type of the joint with (2014) the e...

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  10. Stimulation of a muscle fibre by a motar neuron occurs at

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  11. Which of the following is not a functioin of the skeletal system

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  12. Which of the following joints would allow no movement

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  13. Glenoid eawty articulates

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  14. Sliding filament theory can be best explained as

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  15. The vertebral column of a young man gets dislocated from the skull. Wh...

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  16. In man vertebrocondral ribs are

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  17. Lack of relaxation between successive stimuli in striated muscle contr...

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  18. Osteoporosis, an age related disease of skeletal system, may occue due...

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  19. The pivot joint between atlas and axis is a type of

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  20. Out of 'X' pairs of ribs in humans only 'Y' pairs are true ribs. Selec...

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