The '''cell''' is the smallest unit of life capable of independently reproducing itself. A bacterium is a simple cell without a [[nucleus]] to protect its genetic [[information]]. A virus requires structures in a cell's [[cytoplasm]] to assemble copies of itself. There is no consensus on the number of cells in a human body, the number ranges from 10 to 100 trillion cells.<ref>Wile, Jay L. ''Exploring Creation With General Science''. Anderson: Apologia Educational Ministries, Inc. 2000</ref>
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The '''cell''' is the smallest unit of life capable of independently reproducing itself. It is a small, watery, compartment filled with chemicals and a complete copy of the organism's genome.
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A bacterium is a simple cell without a [[nucleus]] to protect its genetic [[information]]. A virus requires structures in a cell's [[cytoplasm]] to assemble copies of itself. There is no consensus on the number of cells in a human body, the number ranges from 10 to 100 trillion cells.<ref>Wile, Jay L. ''Exploring Creation With General Science''. Anderson: Apologia Educational Ministries, Inc. 2000</ref>