A Muscle ________ Contains a Sarcolemma,sarcoplasm,myofilaments,and Myofibrils

Question

A muscle ________ contains a sarcolemma,sarcoplasm,myofilaments,and myofibrils.
A)fiber
B)intercalated disc
C)T-tubule
D)myofibril
E)motor end plate

Accepted Answer

A muscle fiber (also known as a muscle cell) contains a sarcolemma (cell membrane), sarcoplasm (cytoplasm), myofilaments (actin and myosin proteins), and myofibrils (bundles of myofilaments). Intercalated discs and T-tubules are structures found in cardiac muscle, and the motor end plate is a specialized structure found at the neuromuscular junction.