Question

Is cell membrane selectively permeable or semipermeable?

Answer 1

Cell membrane:

1. A cell membrane is a special structure enclosing a cell and its structures, regulating the movement outside and inside the cell.
2. These membranes selectively are permeable to certain substances, allowing some of them to pass through it.
3. The membrane comprises a phospholipid (amphipathic) bilayer with proteins, carbohydrates and different lipids