Muscle cells
A) actively lengthen.
B) generate compression.
C) possess a mechanism that regulates the tension amount by changing the number of contracting sarcomeres.
D) vary tension production based on the amount of sodium ions bound to actin.
E) can only contract.

Question

Quizplus · Accepted Answer

Muscle cells can only contract; they do not actively lengthen or generate compression. They shorten to produce movement and relax to return to their resting state.

Muscle Cells