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.
Transcript of The Domains, Kingdoms, and Characteristics of Life. Unique Characteristics of the Archaea Domain. The Bacteria and Archaea domains are prokaryotes, they contain no nuclues or organelles, only a circular chromosome. They cannot form multicells organisms.