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From these conclusions about plants and animals, two of the three tenets of cell theory were postulated. 1. All living organisms are composed of one or more cells 2. The cell is the most basic unit of life. Schleiden's theory of free cell formation through crystallization was refuted in the 1850s by Robert Remak, Rudolf Virchow, and Albert ...
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 and functional ...
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.
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The theory posits that free association and open access to up-to-date information will lead to individuals naturally creating and sustaining social groups to co-operate for mutual benefit. Information management is a crucial aspect of why even otherwise successful groups will face compounding difficulties and perhaps fail due to problems with ...
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This theory is also known as a theory of cellularization. It is a theory to explain the origin of the Metazoa. The idea was proposed by Hadži (1953) [4] and Hanson (1977). [13] This cellularization (syncytial) theory states that metazoans evolved from a unicellular ciliate with multiple nuclei that went through cellularization. Firstly, the ...