The lipid portion of a cell's plasma membrane constitutes a barrier to current.

Question

Quizplus · Accepted Answer

The lipid portion of the plasma membrane, which is mainly composed of phospholipids, creates a barrier to the flow of ions and charged molecules, making it selectively permeable to certain substances. This property allows the membrane to regulate the entry and exit of molecules, maintain cell homeostasis, and perform other specialized functions.

The Lipid Portion of a Cell's Plasma Membrane Constitutes a Barrier