Explain the molecular structure of actin and myosin

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Question

1. Explain the molecular structure of actin and myosin and how these generate force in skeletal and smooth muscle.

2. Explain how the structure of the t-tubules and sarcoplasmic reticulum facilitate rapid calcium cycling in skeletal muscle.

3. Explain why skeletal muscles are oriented as they are around joints, and how this varies with body size.

4. Explain how the structure and physiology of smooth muscle enables low-cost, sustained contractions with large changes in length.

Reference no: EM133491557

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