Its selectively permeable membrane.
The Nucleus controls the cell.
cytoplast cell it controls a substance into and out a cell.
the cell membrane controls what goes in and out the cell
the nucleus controls all the activity in the cell.
Cell membreneA layer that controls what enters and what leaves the cell. Or a protective covering enclosing the entire cell.(controls substances going in and out of the cell.)
A cell is a complete structure, it controls itself.
The cell membrane controls what enters and exits a cell.
the cell membrane
I think you are talking about the nucleus, which is the "brain" of the cell. It controls everything that cell does.
The answer is nucleus :)
The nucleus controls the information in a cell.
The Cell surface membrane controls what enters and leaves the cell