Muscle cell contraction is facilitated by a small electrical current.Which types of molecules are likely involved?

Question

Quizplus · Accepted Answer

Electrolytes are ions (charged particles) that conduct electricity, and they are crucial for muscle cell contraction. When a muscle cell is stimulated to contract, an electrical current stimulates the release of calcium ions, which then bind to proteins in the muscle fibers and cause them to slide past each other and shorten. The movement of these ions is mediated by ion channels, which are proteins in the cell membrane that allow ions to pass through. Thus, electrolytes play a critical role in muscle cell contraction by providing the ions that form the basis of the electrical signal.

Muscle Cell Contraction Is Facilitated by a Small Electrical Current