Zoology - Locomotion and Movement Question with Solution | TestHub
ZoologyLocomotion and MovementLocomotionEasy2 minPYQ_2005
ZoologyEasysingle choice
The thin filaments of a muscle fibre are made up of
Options:
Answer:
A
Solution:
The thin filaments of a muscle fibre are made up of actin, troponin and tropomyosin. One thin filament probably contains 300-400 actin molecules, about 50 tropomyosin and 50 troponin. It is said that tropomyosin plays a vital role in sensitizing the contractile proteins (actin and myosin) to calcium ions.
Stream:JIPMERSubject:ZoologyTopic:Locomotion and MovementSubtopic:Locomotion
⏱ 2mℹ️ Source: PYQ_2005
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