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The structure storing calcium in the skeletal muscle fibers at rest is the?

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.


What qualities do cardiac and skeletal muscles share?

Cardiac and skeletal muscles are both striated muscles that contract in response to nerve impulses. They contain sarcomeres as their basic contractile unit and rely on the presence of calcium ions for muscle contraction. Additionally, both types of muscles are composed of muscle fibers that vary in size and length.


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.


Does skeletal muscles move limbs and produce smiles?

Yes, skeletal muscles are responsible for the movement of limbs in the body. They contain muscle fibers that contract and relax, causing the bones they are attached to move. Skeletal muscles also play a role in producing smiles, as they assist in the movement of the muscles in the face that create facial expressions.


What type of muscle fibers are there?

You have three types of muscle fibers. 1) Skeletal muscle fibers. 2) Cardiac muscle fibers. 3) Smooth muscle fibers.

Related Questions

Does glycerinated skeletal muscle fibers need ATP in order to contract?

true


Does glycerinated skeletal muscle fibers nee ATP in order to contract?

no, they need ATP


The structure storing calcium in the skeletal muscle fibers at rest is the?

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.


Glycerinated muscle requires the addition of what molecule to supply the energy for muscle contraction?

Glycerinated muscle requires the addition of ATP (adenosine triphosphate) to supply the energy needed for muscle contraction. ATP is essential for the cross-bridge cycling process that allows muscle fibers to contract.


Which fibers carry action potential to cause skeletal muscles to contract?

Alpha motor neurons


When do you see glycerinated muscle shorten?

Glycerinated muscle can shorten when ATP is present, allowing myosin cross-bridges to form and generate force. However, once ATP is depleted or unavailable, glycerinated muscle cannot shorten as it lacks the energy to power the cross-bridge cycling.


What qualities do cardiac and skeletal muscles share?

Cardiac and skeletal muscles are both striated muscles that contract in response to nerve impulses. They contain sarcomeres as their basic contractile unit and rely on the presence of calcium ions for muscle contraction. Additionally, both types of muscles are composed of muscle fibers that vary in size and length.


At what junction do nerves contact skeletal muscle fibers?

Motor neurons meet the muscle cells at neuromuscular junctions. Neurotransmitters are passed from the nerve across a synaptic cleft to the muscle to make it contract. Any damage to this nerve will mean that those cells will not contract (move).


How are smooth muscle cells similar to skeletal fibers?

Smooth muscle cells are similar to skeletal muscle cells due to the actin-tropomyosin interactions. These interactions "tell" the muscle when to contract.


What is a group of skeletal muscle fibers?

A skeletal muscle


Bone that consists of hardened fibers interspersed with many spaces?

Spongy bone provides lightweight support. Consists of hardened fibers interspersed with many spaces. Skeletal system made of calcium hardened collagen fibers that make it strong but flexible.


What occurs in the latent period of a twitch in a skeletal muscle fiber?

During the latent period of a twitch in a skeletal muscle fiber, the muscle is receiving a signal to contract but has not yet started to generate force or movement. This phase involves the excitation-contraction coupling process, where the action potential triggers the release of calcium ions, leading to the activation of the muscle fibers.