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.
Examples of cell types derived from ectoderm, mesoderm, and endoderm.
Structure of a Cell
Cell showing nucleoids within mitochondria
Adult stem cells offer hope for cell therapy to treat diseases in the future
Potential applications of embryonic and tissue specific adult stem cell in cellular and gene theraph
animal cell