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Diagram of a typical prokaryotic cell. A prokaryote (/ p r oʊ ˈ k ær i oʊ t,-ə t /, less commonly spelled procaryote) [1] is a single-cell organism whose cell lacks a nucleus and other membrane-bound organelles. [2] The word prokaryote comes from the Ancient Greek πρό (pró) 'before' and κάρυον (káruon) 'nut, kernel'.
Category. v. t. e. Cell biology (also cellular biology or cytology) is a branch of biology that studies the structure, function, and behavior of cells. [1][2] All living organisms are made of cells. A cell is the basic unit of life that is responsible for the living and functioning of organisms. [3] Cell biology is the study of the structural ...
Structure of a typical prokaryotic cell. Prokaryotes include bacteria and archaea, two of the three domains of life. Prokaryotic cells were the first form of life on Earth, characterized by having vital biological processes including cell signaling. They are simpler and smaller than eukaryotic cells, and lack a nucleus, and other membrane-bound ...
This site may have been important in the competition between the Mahayana and Theravada Buddhist traditions in ancient Sri Lanka. In Professor Senarath Paranavithana 's book The Story of Sigiri , King Dathusena is said to have taken the advice of the Persian Nestorian Priest Maga Brahmana on building his palace on Sigirya.
In biology, cell theory is a scientific theory first formulated in the mid-nineteenth century, that living organisms are made up of cells, that they are the basic structural/organizational unit of all organisms, and that all cells come from pre-existing cells. Cells are the basic unit of structure in all living organisms and also the basic unit ...
Monera (/məˈnɪərə/) (Greek: μονήρης (monḗrēs), "single", "solitary") is historically a biological kingdom that is made up of prokaryotes. As such, it is composed of single-celled organisms that lack a nucleus. It has been superseded by the four-kingdom system. [citation needed]
The ACCIMT was established in 1984 by act of parliament, the Arthur C. Clarke Centre for Modern Technologies Act, No. 30 of 1984.This institution, initially known as Arthur C. Clarke Centre, was renamed as the Arthur C. Clarke Institute for Modern Technologies, and re-established in a corporate form in 1994 by the Science And Technology Development Act, No. 11 of 1994. [2]
Ruwanwelisaya. The Ruwanweli Maha Seya, also known as the Maha Thupa (lit. 'the Great Thupa'), is a stupa (a hemispherical structure containing relics) in Anuradhapura, Sri Lanka. Two quarts or one Dona of the Buddha's relics are enshrined in the stupa, making it the largest collection of his relics anywhere. [1]