500
At what point in the cell cycle does DNA replication occur and why?
A. before a cell divides, to provide each of the two resulting cells with a complete set of DNA instructions
B. before a cell divides, to ensure that the DNA will fit into the resulting cells
C. during cell division, to ensure that the DNA will fit into the resulting cells
What is A. before a cell divides, to provide each of the two resulting cells with a complete set of DNA instructions?