Question

Sarcolemma is

• A. Smooth muscles are found in urinary bladder
• B. A striated muscle is a syncytium i.e., a multinudeate structure.
• C. The cytoplasm of striated muscle is called endoplasm.
• D. The plasma membrane and ER of striated muscles are called sarcolemma and sarcoplasmic reticulum
  respectively.

Answer 1

The correct option is A

Smooth muscles are found in urinary bladder

Sarcolemma is the name of the cell membrane that encloses each muscle cell, specifically muscle cells
The sarcoplasmic reticulum is a specialized type of smooth ER that regulates the calcium ion concentration in the cytoplasm of striated muscle cells.
The endoplasmic reticulum is a network of membranous tubules within the cytoplasm of a eukaryotic cell.