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.
Major types of microbial cell aggregations found in phylum Cyanobacteria.
Hepatic cell
cell labeled
Mechanism of ERK activation and cell proliferation
Sickle-cell anemia
Eukaryotic cell and organelles