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.
What is a microorganism? A microorganism is a small, typically single-celled organism, such  as a bacterium, virus, fungus, or algae, that is small enough to  require a microscope to observe it.41 people found this useful.Edit.hat is a microorganism? A microorganism is a small, typically single-celled organism, such  as a bacterium, virus, fungus, or algae, that is small enough to  require a microscope to observe it.