Biology · Locomotion and Movement
Which proteins are essential for muscle contraction and relaxation?
Verified Solution4 OptionsUpdated: October 2026👁️1 View
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- 1Elastin and fibrin
- 2Actin and myosin✓
- 3Keratin and collagen
- 4Myoglobin and haemoglobin
Correct answer
Actin and myosin
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