Changes

Jump to navigation Jump to search
163 bytes added ,  18:04, December 30, 2007
no edit summary
Line 1: Line 1: −
The '''cell''' is the smallest unit of life capable of independently reproducing itself.  It is a small, watery, compartment filled with chemical-based machinery and a complete copy of the organism's [[genome]].
+
The '''cell''' is the smallest unit of life capable of independently reproducing itself.  It is a small, watery, compartment filled with chemical-based machinery and a complete copy of the organism's [[genome]].
 +
There are two main types of cells: procariotic cells, which lack a real nuclei, and eucariotic cells, with a nuclei sepparated from cytoplasm by a nuclear membrane.
    
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 exact number of cells in a human body, though 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>
 
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 exact number of cells in a human body, though 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>
1

edit

Navigation menu