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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: - Which part of the leaf is meant for photosynthesis and gaseous exchange?
- Which one of the following is widely distributed in a cell
- Alginic is produced by
- Which of the following stores fats and essential oils
- Embryo sac represents
Topics: Locomotion and Movement
(106)
Subject: Biology
(4253)
Important MCQs Based on Medical Entrance Examinations To Improve Your NEET Score
- Which part of the leaf is meant for photosynthesis and gaseous exchange?
- Which one of the following is widely distributed in a cell
- Alginic is produced by
- Which of the following stores fats and essential oils
- Embryo sac represents
Topics: Locomotion and Movement (106)
Subject: Biology (4253)
Important MCQs Based on Medical Entrance Examinations To Improve Your NEET Score
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