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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.
Related Questions: - The initial step in the digestion of milk in human is carried out by?
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Topics: Locomotion and Movement
(106)
Subject: Biology
(4253)
Important MCQs Based on Medical Entrance Examinations To Improve Your NEET Score
- The initial step in the digestion of milk in human is carried out by?
- Lysosomes are reservoirs (store house) of
- The blood calcium level is lowered by the deficiency of
- Potato and sweet potato
- Excretory system of Ascaris lumbricoides is made up of
Topics: Locomotion and Movement (106)
Subject: Biology (4253)
Important MCQs Based on Medical Entrance Examinations To Improve Your NEET Score
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