Question

What causes striations in skeletal muscles

Answer 1

Striations are caused by the arrangement of thick and thin filaments within the myofibrils. The A-Band is the dark area where the thin and thick filaments overlap.

Answer 2

Answer: Muscle fibers are composed of repeating units called sarcomeres, each composed of a series of repeating series of protein motifs that cause a signature striated appearance.

Step-by-step explanation: