Question
Part A What structure in skeletal muscle cells functions in calcium storage? sarcoplasmic reticulum myofibrillar network Submit mitochondiate filament network Request Answer
Ask by Norris Wood. in the United States
Mar 18,2025
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The sarcoplasmic reticulum stores calcium in skeletal muscle cells.
Solution
The structure in skeletal muscle cells that functions in calcium storage is the **sarcoplasmic reticulum**.
The sarcoplasmic reticulum is a specialized form of the endoplasmic reticulum that surrounds myofibrils and plays a crucial role in regulating calcium ion concentration, which is essential for muscle contraction. When a muscle cell is stimulated, calcium ions are released from the sarcoplasmic reticulum into the cytoplasm, triggering the contraction process.
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The structure in skeletal muscle cells that functions in calcium storage is the sarcoplasmic reticulum (SR). It is a specialized form of endoplasmic reticulum that surrounds myofibrils and plays a crucial role in muscle contraction by releasing calcium ions when stimulated by an action potential, leading to muscle fiber contraction. The sarcoplasmic reticulum also helps to reabsorb calcium ions during relaxation, ensuring that muscles can respond appropriately during repeated contractions. Its effective functioning is vital for muscle health and performance, making it a key player in how our body moves!
