Answer:
the cell membrane is very selective
Explanation:
All living cells are bounded by a structure called a cell membrane, or plasma membrane. It is a thin lipoprotein film, which consists of proteins and phospholipids, with a thickness of approximately 7.5 nanometers. It is this structure that delimits the cytoplasm of any type of cell, regardless of whether it is of plants, animals, protozoa, fungi, algae or bacteria.
The cell membrane is very selective and only allows some substances to enter and exit depending on the cell's needs.
