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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.
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.
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.
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.
If a drug caused a sudden release of large amounts of calcium in skeletal muscle from which structure would the calcium come?
The calcium would come from the sarcoplasmic reticulum, which is a specialized structure found within skeletal muscle cells responsible for storing and releasing calcium ions for muscle contraction. A sudden release of large amounts of calcium from the sarcoplasmic reticulum can lead to uncontrolled muscle contractions and potentially muscle damage.
Where is calcium stored in the muscle cell?
The sarcoplasmic reticulum is known for its storage of calcium ions in muscle cells.
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.
What is in the sarcoplasmic reticulum in muscle?
The sarcoplasmic reticulum is a special type of smooth endoplasmic reticulum. It releases calcium ions during muscle contraction and absorbs them during relaxation.
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.
Which structure actively pumps calcium ions out of the sarcoplasm to produce relaxation?
The sarcoplasmic reticulum actively pumps calcium ions out of the cytosol to produce relaxation in muscle cells. This process is facilitated by the calcium pump located on the membrane of the sarcoplasmic reticulum, known as the sarcoplasmic/endoplasmic reticulum calcium ATPase (SERCA) pump.
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.
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.
What is the cellular organelle in muscle fiber corrospondin to endoplasmic reticulum?
Sarcoplasmic reticulum (SR) .
Where is calcium stored in the contractile cells?
Sarcoplasmic reticulum
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.
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.
The part of the sarcoplasmic reticulum where calcium ions are stored called?
The part of the sarcoplasmic reticulum where calcium ions are stored is called the terminal cisternae. These structures are found at the ends of the sarcoplasmic reticulum and play a key role in releasing calcium ions into the muscle cell during muscle contraction.
