Capitol Report: Iranâs Global Threat. This week, I voted to stop the dangerous deal the Obama Administration negotiated to lift sanctions on Iran. I voted to protect Americans from the global threat posed by a nuclear Iran, because this is not a Republican issue or Democrat issue; this is an American security issue.
Cell Membrane. The cell membrane (plasma membrane) is a thin semi-permeable membrane that surrounds the cytoplasm of a cell. Its function is to protect the integrity of the interior of the cell by allowing certain substances into the cell, while keeping other substances out.
The cell membrane (or plasma Membrane) is a structure that forms the outer boundary of the cell and allows only certain materials to move into and out of the cell.Food, oxygen and water move into the cell through the membrane.he cell membrane (or plasma Membrane) is a structure that forms the outer boundary of the cell and allows only certain materials to move into and out of the cell.