CELL STRUCTURES AND FUNCTION
CELL STRUCTURE
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Question
[CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
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Cells are composed mostly of empty space.
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Only animals are made up of cells.
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All cells are produced from existing cells.
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Cells are generally large enough for the unaided eye to see.
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Detailed explanation-1: -Cell theory has 3 basic points: All living things are made of one or more cells. The cell is the smallest living thing that can perform all the functions of life. All cells must come from pre-existing cells through cellular division.
Detailed explanation-2: -So the correct answer is ‘All cells arise from pre-existing cells’.
Detailed explanation-3: -Answer: The cell theory states that all living beings are made of cells.
Detailed explanation-4: -The correct option is C All cells are surrounded by cell wall. Schleiden, Schwann and Virchow contributed to the formation of cell theory.
Detailed explanation-5: -Answer and Explanation: The correct answer is a. Cell theory does not state that all cells have a nucleus.