It isn't bad. It is a boundary between the cell inside and the area around it.
It isn't bad.
no
It regulates what comes in and out of the cell. It works in order to keep bad things out of the cell.
Yes its called the cell membrane ... For an 11 year old i am not bad a science
The cell membrane performs the function of a filter, letting good things in and bad things out. It also protects the cell from invading sources. It lets out water and lets in oxygen.
Cell membrane
A cell membrane is also known as a plasma membrane or cytoplasmic membrane. The cell membrane separates the interior of a cell from its outside environment. The main function of a cell membrane is to protect the cell from its surroundings.
the cell membrane is as flexible barrier outside of the cell.
The phospholipid bilayer.
the cell membrane
cell (plasma) membrane
cell surface membrane cell surface membrane
There are multiple membranes in a cell. Two of them are the cell membrane and the nucleur membrane.