The plasma membrane is

Question

Quizplus · Accepted Answer

The plasma membrane is the outermost, double-layered membrane that surrounds and encloses the contents of the cell. It is also called the cell membrane or cytoplasmic membrane. Option A is incorrect because the nucleus is surrounded by the nuclear envelope, which is also a double-layered membrane, but it is distinct from the plasma membrane. Option B is incorrect because there is no separate membrane enclosing the plasma. Option D is incorrect because cristae are folds of the inner mitochondrial membrane, not the plasma membrane.

The Plasma Membrane Is