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Smallest unit of muscle is
Options
(a) sarcomere
(b) sarcoplasm
(c) muscle fibril
(d) entire muscle
Correct Answer:
sarcomere
Explanation:
Sarcomere is the functional unit of myofibril. It is the part of myofibril between two successive Z-lines, which consists of two I-band halves, and an A-band between them. The region contains a bundle of two types of protein filaments, actin and myosin. Upon contraction, the actin filaments slide towards the centre of the myosin filaments, and overall sarcomere length get smaller.
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Topics: Locomotion and Movement
(106)
Subject: Biology
(4253)
Important MCQs Based on Medical Entrance Examinations To Improve Your NEET Score
- In angiosperms, triple fusion results in the formation of
- Flavr savr variety of Tomato is
- What is vital capacity of our lungs?
- Which of the following is not a sexually transmitted disease ?
- What is not a common feature is perplaneta and scorpions
Topics: Locomotion and Movement (106)
Subject: Biology (4253)
Important MCQs Based on Medical Entrance Examinations To Improve Your NEET Score
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