oh-soufflegirl: “ Hey fellow premeders! As promised, here is my note on Molecular Biology; mainly, cell metabolism and different types of biological molecules. It should be x 11 inches for those who want to print everything out.
The structure separating an animal cell from its environment or a plant cell from its cell wall. The cell membrane is a complex system that allows nutrients to enter the cell and waste products to leave, usually through osmosis.