The striated appearance of skeletal muscle results from
A) the transverse tubule pattern.
B) the sarcoplasmic reticulum.
C) cisternae placement.
D) actin and myosin arrangement.
E) the perimysium arrangement.

Question

Quizplus · Accepted Answer

The striated appearance of skeletal muscle results from the organization of the contractile proteins actin and myosin into repeating units called sarcomeres. The alternating bands of light (I bands) and dark (A bands) that make up the sarcomeres give the muscle its striated appearance.

The Striated Appearance of Skeletal Muscle Results from