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What molecule is connected to the Z line?
The molecule connected to the Z line in muscle fibers is alpha-actinin. Alpha-actinin helps anchor actin filaments at the Z line, providing structural support and stability during muscle contractions.
What molecule is connected to the Z disc?
Alpha-actinin is a molecule connected to the Z disc in muscle cells. It plays a critical role in anchoring actin filaments at the Z disc, helping to maintain the structural integrity of the sarcomere.
Sarcomere think filaments are linked laterally by proteins of the?
sarcomere thin filaments are linked laterally by proteins of the Z-disc, such as α-actinin. These proteins help stabilize the alignment of actin filaments within the sarcomere and contribute to muscle contraction.
What protein is found in the Z line of a sarcomere?
The protein found in the Z line of a sarcomere is primarily actin, which forms the thin filaments. Additionally, proteins such as alpha-actinin anchor the actin filaments to the Z line, providing structural support and organization within the sarcomere. This arrangement is crucial for muscle contraction and the overall integrity of the muscle fiber.
What is the composition of z line?
The Z line (or Z disc) is a key structural component of striated muscle fibers, particularly in skeletal and cardiac muscles. It is primarily composed of proteins such as alpha-actinin, which anchors the actin filaments, and other proteins like nebulin and titin that help maintain the integrity and elasticity of the muscle fibers. The Z line serves as the boundary between adjacent sarcomeres, facilitating muscle contraction by providing a point of attachment for the thin filaments.
