Types of Microorganisms. 1. Bacteria. Bacteria are unicellular organisms, about few microns in size (1 micron (Âµm) = 1/1,000 of a millimetre), consisting of DNA, cytoplasm, structures needed for metabolism and reproduction, cell membrane, cell wall and capsule (Picture 1). Certain bacteria use flagella, tail-like appendages, to propel themselves.
All U.S. savings bonds have a final maturity date when they stop earning interest. Investors often lose track of this date because the U.S. Treasury Department has extended the original maturity of some bonds up to 30 years.
These bonds earn interest for 30 years. Bonds Bought May 2005 and After (**ACTIVE**). Series EE Savings Bonds issue dated on or after May 1, 2005 will earn a fixed rate of interest for 20 years, at which time the bond should have reached it's face value. If the bond has not reached it's face value, the Treasury will make a one time adjustment up to the face value.