The Meaning of the Chrysanthemum Flower. The Chrysanthemum is the flower of the month for November, and this beautiful flower comes with a wide variety of meanings all across the globe. In Asia the chrysanthemum signifies life and rebirth, making them great gifts for birthdays and baby showers. In Europe the chrysanthemum signifies an expression of sympathy.
One of the main roles of a cell membrane is to absorb nutrients from the surrounding environment. In order to do this, the cell membrane must have proteins that detect the presence of molecules that should be taken into the cell.
What a cell membrane consists of. It is a strong but flexible barrier between the cell and its surroundings. They cell membrane regulates what enters and leaves the cell and also protects and supports the cell. Most biological membranes are selectively permeable, allowing some substances, but not others, to pass across them.