The striations of a skeletal muscle cell are produced, for the most part, by ________.
A) a difference in the thickness of the sarcolemma
B) the arrangement of myofilaments
C) the sarcoplasmic reticulum
D) the T tubules
Answer: B
The striations of a skeletal muscle cell are produced, for the most part, by ________.
A) a difference in the thickness of the sarcolemma
B) the arrangement of myofilaments
C) the sarcoplasmic reticulum
D) the T tubules