Cell membranes are asymmetrical. Which of the following is the most likely explanation?
A) The cell membrane forms a border between one cell and another in tightly packed tissues such as epithelium.
B) Cell membranes communicate signals from one organism to another.
C) The two sides of a cell membrane face different environments and carry out different functions.
D) The "innerness" and "outerness" of membrane surfaces are predetermined by genes.
E) Proteins can only be associated with the cell membranes on the cytoplasmic side.
Diagram of a flagellate stramenopile cell, showing characteristic flagellar hairs.
Diagram of a cell nucleus
A Prototype Hydrogen Fuel Cell Car
The cell membrane.
Opener Colored scanning electron micrograph of two prostate cancer cells in the final stages of cell
An electrochemical cell is based on these two half-reactions