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.
Interest Rates and Terms for Series EE Savings Bonds. Electronic Series EE savings bonds, purchased via TreasuryDirect, are sold at face value. For example, you pay $25 for a $25 bond. Paper EE bonds, last sold in 2011, were sold at half of face value. More on Rates and Terms. The rates and terms for an EE bond depend largely on when the bond was issued: May 2005 and Later; May 1997 â April 2005; May 1995 â April 1997; Before May 1995; Current Value. To find the current value of a savings bond, use the Savings Bond Calculator.