2021 · Q112
Which one of the following is the structure of a cardiac muscle cell ?
General KnowledgeBiology
- ACylindrical, Unbranched and Multinucleate
- BSpinal shaped, Unbranched and Uninucleate
- CSpinal shaped, Branched and Uninucleate
- DCylindrical, Branched and Uninucleate
Explanation
Cardiac muscle cells are cylindrical, branched and uninucleate, joined by intercalated discs that allow coordinated contraction. Skeletal muscle cells are cylindrical, unbranched and multinucleate; smooth muscle cells are spindle-shaped and uninucleate. The cardiac muscle structure is cylindrical, branched and uninucleate.