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Muscles #2

Welcome to your Muscles #2

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1. 
The pigment which stores oxygen in muscles is: (2011)


2. 
The length of the myofibril from one Z-band to the next is known as


3. 
The thick filaments in a myofibril of muscles are made of (2019)


4. 
Thick filament in myofibril is made up of:


5. 
When more energy is required in muscle contraction then that energy can also be produced by as a secondary source (2014)

6. 
Muscle present in the gut wall are:

7. 
The repeated protein pattern of myofibril is called: (2014)


8. 
Diameter of skeletal muscle fiber is: (2011)


9. 
During muscle contraction (2010 & 2015)

10. 
Over lapping of thick filament occurs in: (2017-Retake)


11. 
Muscle is made up of many cells which are referred to as: (2011 & 2013)


12. 
The sarcolemma of muscle fiber folds inwards and forms a system of tubes which runs through the sarcoplasm called: (2015)


13. 
Which disease is caused by low calcium level in blood? (2008)


14. 
Thin filaments of muscles contain chains of actin molecules. (2019)

15. 
Which one of the following change occurs when skeletal muscle contracts? (2017)


16. 
When calcium ions are released from the sarcoplasmic reticulum they bind with during muscle contraction: (2011, 2012 & 2013)


17. 
A sarcomere is the region myofibril between two successive: (2015)


18. 
Muscle fatigue is due to accumulation of:


19. 
Each muscle fibre is surrounded by a membrane called: (2012 & 2016)

20. 
Each A-Band has a lighter strip in its mid-section called: