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The sarcoplasmic reticulum is a special type of smooth endoplasmic reticulum. It releases calcium ions during muscle contraction and absorbs them during relaxation.
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Where are the calcium ions stored in a muscle fiber?
Calcium ions in muscle fibers are stored in the sarcoplasmic reticulum, which is a specialized form of endoplasmic reticulum found in muscle cells. When a muscle is stimulated to contract, the sarcoplasmic reticulum releases calcium ions into the cytoplasm, triggering muscle contraction.
Is the concentration of calcium ion greater in the sarcoplasmic reticulum or sarcoplasm of a resting muscle?
The concentration of calcium ion is greater in the sarcoplasmic reticulum compared to the sarcoplasm of a resting muscle. This is because the sarcoplasmic reticulum stores and releases calcium ions during muscle contraction.
Where is calcium stored in the muscle cell?
The sarcoplasmic reticulum is known for its storage of calcium ions in muscle cells.
What cellular organelle in muscle fiber corresponds to the endoplasmic reticulum?
The sarcoplasmic reticulum in muscle fiber corresponds to the endoplasmic reticulum in other cell types. The sarcoplasmic reticulum is a specialized type of endoplasmic reticulum found in muscle cells, and it plays a key role in calcium storage and release during muscle contraction.
Which muscle type depends solely on the sarcoplasmic reticulum as its calcium source?
Cardiac muscle relies solely on the sarcoplasmic reticulum as its calcium source for muscle contraction.
What are the Skeletal muscle cells that function in calcium storage?
Sarcoplasmic reticulum is the type of skeletal muscle cell that functions in calcium storage. It plays a critical role in regulating intracellular calcium levels during muscle contraction and relaxation.
Sacroplasmic reticulum is a modified form of this organelle?
The sarcoplasmic reticulum is a modified form of the endoplasmic reticulum found in muscle cells. It is responsible for storing and releasing calcium ions that are crucial for muscle contractions. The sarcoplasmic reticulum plays a vital role in regulating muscle function.
Organelle storing calicium in resting skeletal muscle fibers?
The organelle responsible for storing calcium in resting skeletal muscle fibers is the sarcoplasmic reticulum (SR). It releases calcium ions when muscle contraction is initiated by a nerve impulse. Calcium is essential for muscle contraction as it acts as a trigger for muscle fiber activation.
What is the cellular organelle in muscle fiber corrospondin to endoplasmic reticulum?
Sarcoplasmic reticulum (SR) .
Which organelle contains calcium in muscle cells?
sarcoplasmic reticulum
What is the organelle that stores calcium in resting muscle cells?
The organelle that stores calcium in resting muscle cells is the sarcoplasmic reticulum. Calcium ions are released from the sarcoplasmic reticulum during muscle contraction to trigger muscle activity.
What structure of skeletal muscle functions stores calcium?
sarcoplasmic reticulum
