Muscles #2

Welcome to your Muscles #2

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1. 
A sarcomere is the region myofibril between two successive: (2015)

2. 
Muscle present in the gut wall are:

3. 
Thin filaments of muscles contain chains of actin molecules. (2019)

4. 
Each A-Band has a lighter strip in its mid-section called:

5. 
During muscle contraction (2010 & 2015)

6. 
Muscle is made up of many cells which are referred to as: (2011 & 2013)

7. 
The length of the myofibril from one Z-band to the next is known as

8. 
The thick filaments in a myofibril of muscles are made of (2019)

9. 
Which one of the following change occurs when skeletal muscle contracts? (2017)

10. 
Each muscle fibre is surrounded by a membrane called: (2012 & 2016)

11. 
Thick filament in myofibril is made up of:

12. 
When calcium ions are released from the sarcoplasmic reticulum they bind with during muscle contraction: (2011, 2012 & 2013)

13. 
The pigment which stores oxygen in muscles is: (2011)

14. 
When more energy is required in muscle contraction then that energy can also be produced by as a secondary source (2014)

15. 
The repeated protein pattern of myofibril is called: (2014)

16. 
Over lapping of thick filament occurs in: (2017-Retake)

17. 
Which disease is caused by low calcium level in blood? (2008)

18. 
The sarcolemma of muscle fiber folds inwards and forms a system of tubes which runs through the sarcoplasm called: (2015)

19. 
Diameter of skeletal muscle fiber is: (2011)

20. 
Muscle fatigue is due to accumulation of: