<span>The cell membrane is one of the great multi-taskers of biology. It provides structure for the cell, protects cytosolic contents from the environment, and allows cells to act as specialized units. A membrane is the cell’s interface with the rest of the world - it’s gatekeeper, if you will. This phospholipid bilayer determines what molecules can move into or out of the cell, and so is in large part responsible for maintaining the delicate homeostasis of each cell.</span>
Idk I don't see any examples. but I would have to say bacteria from improper cleaning.
The Energy Policy Act of 2005 (H.R. 6) was signed into law by President Bush on August 8, 2005, the first major piece of federal energy legislation since the Energy Policy Act of 1992. Minimum renewable fuels standards (RFS) are mandated for most refiners, blenders, and importers of gasoline.