Carl Woese distinguished between the members of the archaea and the bacteria using studies of their ribosomal RNA.
What is ribosomal RNA?
Ribosomal RNA (rRNA), a particle in cells that are sent out to the cytoplasm and is a part of the protein-creating organelle known as a ribosome, supports the change of courier RNA (mRNA) into protein. Moreover, ribosomal ribonucleic corrosive is a type of non-coding RNA that fills in as the primary structure block of ribosomes, which are essential for all cells. Protein combination is done by rRNA, a ribozyme, in ribosomes. In spite of never being converted into proteins, it makes up around 80% of cell RNA.
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1. Individual: any living being.
2. Population: same group of species that live in a paricular geographical area.
3. Community: a group of interdependent organisms of different species growing or living together in a specified habitat
4. Ecosystem: a community of living organisms called producers, consumers, and decomposers.
5. Biosphere: region of the surface, atmosphere, and hydropsphere of the earth occupied by living organisms.
The closed economy is a self sufficient economy. The countries following a closed economy system does not involve in the import and export of goods from other nations. In these countries, all the goods are produced in the country is consumed within the country itself.
Brazil is a country, which can be said as closed economy as Brazil imports a very item from other nations. A Complete close economy system is not present in any country yet.