MCQ
Actin filament is made up of
- ✓Actin, troponin and tropomyosin
- BActin, troponin
- CMyosin, troponin
- DActin, tropomyosin
✓
Answer
Correct option: A.
Actin, troponin and tropomyosin
a
(a) One thin filament probably contains $300-400$ actin molecules about $50$ tropomyosin and $50$ troponin.
(a) 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.
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