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.
U.S. savings bonds are a relatively safe way to strengthen your financial future. These bonds come in two types. Series EE pays a fixed rate of interest for 30 years. Series I also pays interest for 30 years, but the rate is partially indexed to inflation.Savings bonds are designed to provide several tax-saving features. You can avoid paying any taxes on your savings bond interest by adopting an appropriate strategy.eries EE pays a fixed rate of interest for 30 years. Series I also pays interest for 30 years, but the rate is partially indexed to inflation. Savings bonds are designed to provide several tax-saving features.