Answer: i really dont know
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im sorry im just trying to get questions
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Replication is an essential process because, whenever a cell divides, the two new daughter cells must contain the same genetic information, or DNA, as the parent cell. ... Once the DNA in a cell is replicated, the cell can divide into two cells, each of which has an identical copy of the original DNA.
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When exercising your muscles need more oxygen. Therefore your heart needs to pump more blood (which carries oxygen) to your muscles.
Medulla is a set of cells that run through a piece of hair. Forensic scientists use them to determine which creature the hair came from.