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Name the two important parts of meromyos...

Name the two important parts of meromyosin

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**Step-by-Step Solution:** 1. **Understanding Meromyosin**: Begin by recognizing that meromyosin is a component of myosin filaments, which are essential for muscle contraction. 2. **Identifying the Parts**: Meromyosin consists of two important parts: - **Globular Head with Short Arm**: This part is referred to as Heavy Meromyosin (HMM). - **Tail**: This part is known as Light Meromyosin (LMM). 3. **Function of Each Part**: - The **Globular Head** is involved in interactions with actin and has binding sites for ATP, making it crucial for muscle contraction. - The **Tail** serves as a structural component that helps in the assembly of myosin filaments. 4. **Arrangement**: The globular heads project outward at regular angles from the surface of the polymerized myofilament, forming what is known as the cross-arm. 5. **Conclusion**: Therefore, the two important parts of meromyosin are the **Globular Head with Short Arm (Heavy Meromyosin)** and the **Tail (Light Meromyosin)**. ---
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