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What is a cell membrane of a muscle fiber called?
what is the plasma membrane of the muscle cell
Is sarcolemma a ligament?
No, the sarcolemma is the plasma membrane of a muscle cell.
What change occur in sacomere during muscle contraction?
The sarcomere itself will become shorter.The sarcomere will shorten.
What is the functional unit of a muscle called?
Sarcomere
What is the plasma membrane of the muscle fiber?
The plasma membrane of a muscle fiber is called the sarcolemma. It surrounds the muscle cell and is responsible for controlling the passage of substances in and out of the cell, as well as transmitting signals for muscle contraction. The sarcolemma is essential for maintaining the integrity and function of the muscle fiber.
The plasma membrane of muscle cells is called the?
the sarcolemma encloses the muscle cell
What is the treatment for sarcolemma?
Sarcolemma is defined as a thin membrane encasing a muscle fiber. This has no treatment as it is not an illness, injury or problem.
Why does band stay the same length when the sarcomere shortens?
The band (I band) in the sarcomere stays the same length during muscle contraction because it is composed of thin actin filaments that overlap with the thick myosin filaments. As the sarcomere shortens, the actin and myosin filaments slide past each other, causing the band to appear to stay the same length.
What is the shortening of the sarcomere called?
The shortening of the sarcomere is called muscle contraction. This occurs when actin and myosin filaments slide past each other, causing the sarcomere to shorten.
What is the role of the I band in the sarcomere structure and function?
The I band in the sarcomere is where actin filaments are anchored. It helps maintain the structure of the sarcomere and allows for muscle contraction to occur efficiently.
What are the outer boundaries of the sarcomere?
The outer boundaries of the sarcomere are defined by the Z-discs or Z-lines, which mark the ends of the sarcomere unit. These Z-discs separate one sarcomere from the next and provide attachment points for actin filaments.
What are two major proteins in the sarcomere?
The two main filaments composing the sarcomere are action and myocin.
