The smallest contractile unit of a muscle is a: fiber myofibril sarcomere myofilament

The long, cylindrical, contractile portions of a muscle fiber, which are composed of even smaller myofilaments, are called .

The repeating contractile units along the length of a myofibril in a muscle cell are theQuestion 3Select one:a.sarcolemma.b.sarcoplasmic reticulac.myofilamentd.sarcomerese.muscle fibre

The Blank______ is the basic structural and functional unit of skeletal muscle.Multiple choice question.sarcolemmasarcomeremyofibrilmyosin filament

The single units that make up a muscle are

A nerve fiber with all of the muscle fibers it innervates is called a unit.