The electrical signal for a muscle to contract passes rapidly from one cell to the next via
A) internal proteins.
B) gap junctions.
C) plasmodesmata.
D) desmosomes.
E) tight junctions.

Question

Quizplus · Accepted Answer

Gap junctions allow the direct passage of ions and small molecules between neighboring cells, facilitating rapid communication such as the electrical signals required for muscle contraction.

The Electrical Signal for a Muscle to Contract Passes Rapidly