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

The sarcolemma of a muscle fiber is the Blank______.Multiple choice question.plasma membranecytoplasmrough endoplasmic reticulumsmooth endoplasmic reticulum

A skeletal muscle fiber is Blank______ a skeletal muscle cell.Multiple choice question.the same asdifferent from

The tubular units that compose compact bone are called Blank______.Multiple choice question.lacunaeosteocytesosteonscanaliculi

Within each muscle fiber are hundreds or thousands of cylindrical structures that runs the entire length of the muscle fiber. These are called Blank______.Multiple choice question.myofilamentsT-tubulessarcomeresmyofibrils

During contraction of the sarcomere, the M line helps hold the Blank______ in place.Multiple choice question.actin filamentsmyosin filamentstropomyosin moleculestroponin molecules