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 living organisms are composed of one or more cells.
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The cell is the basic unit of structure and organization in organisms.
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Cells arise from pre-existing cells.
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All of the above
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Detailed explanation-1: -In biology, cell theory is a scientific theory first formulated in the mid-nineteenth century, that living organisms are made up of cells, that they are the basic structural/organizational unit of all organisms, and that all cells come from pre-existing cells.
Detailed explanation-2: -The Cell Theory Is a Unifying Principle of Biology The cell theory states that all biological organisms are composed of cells; cells are the unit of life and all life come from preexisting life. The cell theory is so established today that it forms one of the unifying principles of biology.
Detailed explanation-3: -The cell theory states that cells form the building blocks of life. It introduces the properties of cell. It was proposed by Matthias Schleiden and Theodor Schwann.
Detailed explanation-4: -Explanation: Matthias Schleiden and Theodore Schwann together formulated the cell theory. It states that living things are composed cells, that the cell is the basic unit of life, and that new cells arise from existing cells.
Detailed explanation-5: -○ The Cell theory has three principles. 1) All organisms are made of cells. 2) All existing cells are produced by other living cells. 3) The cell is the most basic unit of life.