CELL STRUCTURES AND FUNCTION
CELL STRUCTURE
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Question
[CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
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All cells can survive independently
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All cells come from cells.
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All organisms are made of cells.
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The cell is the basic unit of organization in an organism.
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Detailed explanation-1: -Rudolf Virchow modified the cell theory and added “Omnis cellula-e cellula", which means that all cells arise from pre-existing cells. Though cells require water for its composition and survival, it is not a part of cell theory.
Detailed explanation-2: -Answer and Explanation: The correct answer is a. Cell theory does not state that all cells have a nucleus.
Detailed explanation-3: -Answer and Explanation: The following organism does not obey the cell theory: a) Virus. Bacteria, fungi, and plants are all made of cells.
Detailed explanation-4: -Bacteria and other organisms therefore cannot arise spontaneously. So, the correct answer is ‘It states that bacteria and other small organisms can arise spontaneously’.