During DNA replication two identical DNA molecules are produced from one original molecule. Which statement below explains why the newly formed molecules are identical to the original?

Explain how organisms could be harmed by high levels of salt from roadways?

During binary fission, what events must occur before the cell splits into two new cells?

Pls me i need this ! each cell has genes activated depending on it's job and what kind of cell it is. it is the presence of that causes the repressor protein to fall off and unblock the gene on the lac operon. if a gene is turned on then it is being an additional circular chromosome found in some bacteria that is used in genetic engineering.