Related Terms. Long-term (maturity over 10 years) fixed interest rate debt security issued by a national (federal) government backed by its 'full faith and credit.' Next to treasury bills (maturity less than one year), and treasury notes (maturity one to ten years) T-bonds are the safest form of marketable investment.
bacteria [pl. of bacterium], microscopic unicellular prokaryotic organisms characterized by the lack of a membrane-bound nucleus and membrane-bound organelles. Once considered a part of the plant kingdom, bacteria were eventually placed in a separate kingdom, Monera.
A microorganism (from the Greek: Î¼Î¹ÎºÏÏÏ, mikros, small and á½ÏÎ³Î±Î½Î¹ÏÎ¼ÏÏ, organismos, organismÃ³s) organism is a microscopic living, organism which may be single celled or. multicellular