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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
- Sewage treatment process in which part of decomposer bacteria is recycled into starting
- What is true about Nereis, scorpion, cockroach and silver fish?
- The cellular transport method which involves use of transmembrane proteins
- The functional unit of mammalian kidney is
- Deltoid ridge is found in which one of the following bones
Topics: Locomotion and Movement (106)
Subject: Biology (4253)
Important MCQs Based on Medical Entrance Examinations To Improve Your NEET Score
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