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What are the main points of the cell theory of life
Answers
Answer:
The generally accepted parts of modern cell theory include: All knownliving things are made up of one or more cells. All living cells arise from pre-existing cells by division. The cellis the fundamental unit of structure and function in all living organisms.
Answer:
Cell theory states that living things are composed of one or more cells, that the cell is the basic unit of life, and that cells arise from existing cells.
Explanation:
Schleiden and Schwann in 1838-39, formulated the cell theory, which originally contained following two statements (i) All living beings are made up of cells and products formed by the cells. (ii) Cells are the structural and functional units of life. The cell theory stated by Schle1den and Schwann failed to explain the question of origin of cells. A maJor expansion of the cell theory was exppressed by Virchow in 1855, in his statement 'Omnis cellula e cellula' (all cells arise from pre-existing cells). This concept, was the actual idea of Nageli (1846), which later on was elaborated by Virchow, along with considerable evidences in its support. The work of Nageli and Virchow established cell division as the central phenomenon in the continuity of life. Thus, the modern cell theory is based on two facts (i) all living organisms are composed of cells and products of cell. (ii) cells are the basic structural and functional unites of life.
Cell theory is one of the basic principles of biology and refers to the idea that cells are the basic unit of structure in every living thing. Explanation: The 3 tenets to the cell theory are:- • All living organisms are composed of one or more cells • The cell is the basic unit of structure and organisation in organisms • Cells arise from pre-existing cells Credit for the cell theory is given to German scientists Theodora Schwann, Matthias Schleiden, and Rudolf Virchow. The cell theory holds true for all living things, no matter how simple or complex. The modern version of the cell theory includes the ideas that :- • Energy flow occurs within cells • Heredity information (DNA) is passed on from cell to cell • All cells have the same basic chemical composition.