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NCERT has a comprehensive extension program in which departments of the National Institute of Education, Regional Institute of Education, Central Institute of Vocational Education, and field coaches' offices in the states are engaged in activities. Several programs are organized in rural and backward areas to reach out to functionaries in these ...
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The cells of meristematic tissue are similar in structure and have a thin and elastic primary cell wall made of cellulose. They are compactly arranged without inter-cellular spaces between them. Each cell contains a dense cytoplasm and a prominent cell nucleus. The dense protoplasm of meristematic cells contains very few vacuoles.
The cell is the basic structural and functional unit of all forms of life. Every cell consists of cytoplasm enclosed within a membrane; many cells contain organelles, each with a specific function. The term comes from the Latin word cellula meaning 'small room'. Most cells are only visible under a microscope.
These lipids are used in cell signaling pathways as a form of intracellular communication. [9] There are three ways in which the desmotubule can facilitate the transfer of molecules: allowing them to flow through its internal lumen, letting them diffuse along its membrane, or attaching molecules on its cytoplasmic side and actively transporting ...
Walther Flemming (21 April 1843 – 4 August 1905) was a German biologist and a founder of cytogenetics.. He was born in Sachsenberg (now part of Schwerin) as the fifth child and only son of the psychiatrist Carl Friedrich Flemming (1799–1880) and his second wife, Auguste Winter.
[9] [10] [11] However, a few researchers continue to argue that the evidence remains inconclusive, and that mesosomes might not be artifacts in all cases. [ 12 ] [ 13 ] Recently, similar folds in the membrane have been observed in bacteria that have been exposed to some classes of antibiotics , [ 14 ] and antibacterial peptides ( defensins ...
"Molecular characterization of the secondary constriction region (qh) of human chromosome 9 with pericentric inversion" - Journal of Cell Science This cell cycle article is a stub . You can help Wikipedia by expanding it .