Contractile protein is:
1.  Actin
2.  Myosin
3.  Troponin
4.  Tropomyosin

Subtopic:  Skeletal Muscle: Myofilaments |
 53%
AIPMT - 1998
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ATPase enzyme needed for muscle contraction is located in:

1. Troponin

2. Myosin

3. Actin

4. Actinin 

Subtopic:  Skeletal Muscle: Myofilaments |
 84%
From NCERT
AIPMT - 2004
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