Which description of skeletal muscle is correct?
A)Each cell contains one nucleus.
B)The fibers and filaments are arranged in parallel.
C)Sarcomeres work in opposite directions during contraction.
D)Actin power strokes produce the contraction.
E)The thin filaments are situated in the middle of each sarcomere.

Question

Quizplus · Accepted Answer

Skeletal muscle fibers and filaments are arranged in parallel, allowing for efficient and powerful contractions. The other choices are incorrect: A) skeletal muscle cells are multinucleated, containing multiple nuclei per cell; C) sarcomeres work in the same direction during contraction; D) myosin power strokes produce the contraction; E) thin filaments are situated at the ends of each sarcomere.

Which Description of Skeletal Muscle Is Correct