plasma membrane
The plasma membrane is the cellular structure that separates the cytoplasm from the external environment. It is a phospholipid bilayer embedded with proteins that selectively controls the passage of molecules into and out of the cell.
It is a cell wall that surrounds the cell outside its cell membrane
The exterior surface refers to the outer layer or outside portion of an object or structure. It is the part that is exposed to the external environment.
The word outside environment means the things which is surrounding you constitute a environment and more outer that means outside your home, college or workstation that surrounding is known as outside environment
An Internal Structure is the way an organism looks on the outside and an External Structure is the looks on the outside.
your mind?
The plasma membrane, which is a lipid bilayer consisting of integral proteins and some cholesterols. It is approximately 8 nm (8.0 x 10^-9 m) thick and it is fluid under its transition temperature.cell membrane
Business environment within an outside the country is different?
A structure outside. A skeleton of an object.
The function is to detect and to try to control! The structure is three fold. First, the ANS controls internal functions. Second, the CNS controls the nervous systems. Third, the PNS conveys information about the environment and "output" functions.
nerve impulse
the spinal cord