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What else can I help you with?
Describe the events of muscle cell contraction?
6 steps in a muscle contraction
What events occurred during muscle relaxation?
Muscle tension declines, myosin releases thin filaments, and calcium levels in the sarcoplasm fall.
What are the events involved in muscle contraction at the cellular and molecular levels?
i can't does'nt make sense to me
When the nervous system signals a muscle to contract what ion channels open?
When the nervous system signals a muscle to contract, calcium channels open in the muscle cell membrane. Calcium ions then flow into the muscle cell, triggering a series of biochemical events that eventually lead to muscle contraction.
A protein that binds the calcium in smooth muscle?
Calmodulin is a protein that binds calcium ions in smooth muscle cells. When calcium binds to calmodulin, it triggers a series of intracellular signaling events that lead to smooth muscle contraction.
Is the correct sequence of events for muscle contractions in a skeletal muscle fiber?
Yes, the correct sequence of events for muscle contractions in a skeletal muscle fiber begins with the stimulation of the muscle fiber by a motor neuron, leading to the release of acetylcholine at the neuromuscular junction. This triggers an action potential that travels along the muscle fiber's membrane and into the T-tubules, causing the release of calcium ions from the sarcoplasmic reticulum. The calcium ions bind to troponin, resulting in the movement of tropomyosin and exposing binding sites on actin filaments. Finally, myosin heads attach to these sites, leading to the sliding filament mechanism that results in muscle contraction.
How does ach help muscle movement?
Acetylcholine (ACh) is a neurotransmitter that plays a crucial role in muscle movement by transmitting signals from motor neurons to muscle fibers at the neuromuscular junction. When ACh is released, it binds to receptors on the muscle cell membrane, leading to depolarization and the initiation of an action potential. This action potential triggers a series of events that result in muscle contraction. Thus, ACh is essential for coordinating voluntary muscle movements.
How to be shirtless in YoVille?
You just buy the (Insert Skin Colour) Muscle Tee. You can purchase this from events or at the store *Morroccan Section* Or you could hack for it, not reccomended
What are the events that influence the width of each sarcomere when a muscle being contracted and relaxed?
During muscle contraction, the sarcomere width decreases due to the overlapping of actin and myosin filaments. This is caused by the sliding of the filaments past each other. When the muscle relaxes, the sarcomere width increases as the filaments slide back to their original positions. The regulation of calcium ions and ATP availability also play a role in influencing the width of each sarcomere during muscle contraction and relaxation.
Why do long distance runners eat polysaccharides to in preparation for athletic events?
It helps runners store extra energy for later use for muscle contraction and movement
What are the special cells in the muscles that receives messages from motor neurons?
The special cells in muscles that receive messages from motor neurons are called muscle fibers, specifically the specialized structures within them known as motor end plates. When a motor neuron transmits a signal, it releases neurotransmitters at the neuromuscular junction, which bind to receptors on the muscle fiber's surface. This binding triggers muscle contraction by initiating a cascade of events within the muscle fiber. These interactions are crucial for voluntary movement and muscle coordination.
What special cell in our muscles that receive message form motor neurons?
The special cells in our muscles that receive messages from motor neurons are called muscle fibers or myocytes. When a motor neuron sends an electrical signal, it releases neurotransmitters at the neuromuscular junction, which then bind to receptors on the muscle fibers. This triggers a series of events that lead to muscle contraction. The coordinated activity of these muscle fibers allows for precise movement and force generation in the body.
