Explanation:The Membrane of Krause, also known as the Z line, bisects the I band or isotropic band. Here's a brief explanation of the different components involved:- I band or isotropic band: - The I band is a lighter, less dense region in a sarcomere. - It contains only thin (actin) filaments. - The I band bisected by the Z line, dividing it into two equal halves.- Z line (Membrane of Krause): - The Z line is a dark membrane that appears in the middle of the I band. - It serves as the attachment site for the thin filaments and helps maintain the structure of the sarcomere. - The Z line plays a crucial role in muscle contraction by anchoring the thin filaments and transmitting the force generated during contraction.- A band or anisotropic band: - The A band is a darker, more dense region in a sarcomere. - It contains both thin (actin) and thick (myosin) filaments. - The A band remains constant in length during muscle contraction.- Henson's line: - Henson's line, also known as the M line, is situated in the middle of the A band. - It consists of proteins that help to hold the thick filaments in place and maintain the structure of the sarcomere.- Sarcomere: - The sarcomere is the functional unit of a muscle fiber, responsible for contraction. - It is composed of various bands, lines, and filaments, including the A band, I band, Z line, and Henson's line. - Sarcomeres are organized in series within a muscle fiber, and their coordinated contraction results in the overall shortening of the muscle fiber and generation of force.In summary, the Membrane of Krause or Z line bisects the I band or isotropic band, dividing it into two equal halves and providing attachment sites for the thin filaments within the sarcomere.