What is a sarcomere? A. it is the plasma membrane of a muscle cell B. it is the cytoplasm of a muscle cell C. it is a section of myofi bril D. it is a bundle of thick and thin myofi laments
Option C. The esential repeating unit inside muscle that is liable for contraction is the sarcomere. The sarcomere includes a package deal of myosin-containing thick filaments flanked and interdigitated with bundles of actin-containing thin filaments.
