⇦ | ⇨ |
Structural and functional unit of contractile apparatus in striated muscle is called
Options
(a) cross bridge
(b) myofibril
(c) Z-band
(d) sarcomere
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 one of the following is not the function of placenta? It :
- Which one of the following is correct ?
- Consumption of which one of the following foods can prevent the kind of blindness
- Identify the meiotic stage in which the homologous chromosomes separate
- Good ozone is found in the
Topics: Locomotion and Movement
(106)
Subject: Biology
(4253)
Important MCQs Based on Medical Entrance Examinations To Improve Your NEET Score
- Which one of the following is not the function of placenta? It :
- Which one of the following is correct ?
- Consumption of which one of the following foods can prevent the kind of blindness
- Identify the meiotic stage in which the homologous chromosomes separate
- Good ozone is found in the
Topics: Locomotion and Movement (106)
Subject: Biology (4253)
Important MCQs Based on Medical Entrance Examinations To Improve Your NEET Score
18000+ students are using NEETLab to improve their score. What about you?
Solve Previous Year MCQs, Mock Tests, Topicwise Practice Tests, Identify Weak Topics, Formula Flash cards and much more is available in NEETLab Android App to improve your NEET score.
Share this page with your friends
Leave a Reply