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Which of the following is a real-world example of “all cells come from pre-existing cells?”

Which of the following is a real-world example of “all cells come from pre-existing cells?”
A scientist looks at algae under a microscope and observes that it is made of cells.
A water molecule forms when two hydrogen atoms combine with one oxygen atom.
A cut on your skin is healed after about a week of cell division in your skin.
Cells combine to make tissues. Tissues combine to form organs. Organs combine to form organ systems.




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What is the capital of Egypt? ( Cairo )

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  1. The correct answer is: A cut on your skin is healed after about a week of cell division in your skin.

    Explanation: This example illustrates the principle that new cells are produced from pre-existing cells, as the healing process involves the division of existing skin cells to fill the wound. This directly supports the idea of cell division and regeneration in living organisms.

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