Troponin I
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BIOLOGY
Molecular Biology
Troponin I
A muscle protein that doubles as a lifesaving heart attack signal
5 days ago
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Why does Troponin I prevent muscle contraction in relaxed muscle?
Because it binds to calcium and triggers contraction directly
Because it breaks down ATP to provide energy for muscle relaxation
Because it binds to actin and holds the actin-tropomyosin complex in place, blocking myosin binding
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