lysosomes
The structure responsible for storing calcium in skeletal muscle fibers at rest is the sarcoplasmic reticulum. This organelle regulates the release of calcium ions during muscle contraction to trigger the muscle fiber to contract.
Endoplasmic reticulum is the organelle that is responsible for synthesizing steroids in gland cells, regulating calcium in muscle cells, and detoxifying substances in liver cells. It consists of rough ER, involved in protein synthesis, and smooth ER, which aids in lipid metabolism and detoxification.
Smooth ER
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.
Calcium is an essential mineral in biology that plays a crucial role in many physiological processes. It is important for bone health, muscle function, nerve transmission, and cell signaling. The body tightly regulates calcium levels to ensure proper function of these processes.
The structure responsible for storing calcium in skeletal muscle fibers at rest is the sarcoplasmic reticulum. This organelle regulates the release of calcium ions during muscle contraction to trigger the muscle fiber to contract.
Calcium
sarcoplasmic reticulum
Endoplasmic reticulum is the organelle that is responsible for synthesizing steroids in gland cells, regulating calcium in muscle cells, and detoxifying substances in liver cells. It consists of rough ER, involved in protein synthesis, and smooth ER, which aids in lipid metabolism and detoxification.
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.
Smooth ER
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.
Calcium binding to actin-myosin causes contraction. The calcium is released to the sarcomere from a specialized storage organelle, the sarcoplasmic reticulum.
A calciosome is a sarcoplasmic reticulum-like organelle which is involved in intracellar calcium-handling by non-muscle cells.
steriods
The immediate source of calcium ion for muscle fiber is the sarcoplasmic reticulum, a specialized organelle within muscle cells that stores and releases calcium ions in response to nerve signals. When a muscle cell is stimulated, calcium ions are rapidly released from the sarcoplasmic reticulum into the cytoplasm, triggering muscle contraction.
THEY TURN THE FAT IN THE BODY TO MUSCLE.