Before mitosis can begin, the nucleus must make a copy or replice of it's chromatin, so that there are two complete sets of DNA. This step is known as replication.
Cells must copy their DNA before they undergo cell division. This ensures that each daughter cell receives a complete set of genetic information.
Before a cell can separate, it has to unravel its chromosomes and clone all its DNA
It must make a copy of its deoxyribonucleic acid (DNA).
Chromosomes
The DNA only needs to replicate if the cell is going to divide. In a dividing cell the DNA must replicate in order to provide a complete copy of the genome to each new cell.
Cells must copy their DNA before they undergo cell division. This ensures that each daughter cell receives a complete set of genetic information.
Before a cell can separate, it has to unravel its chromosomes and clone all its DNA
dna
It must make a copy of its deoxyribonucleic acid (DNA).
The DNA.
Before replication can begin, the parent cell must undergo a period of growth and DNA must be duplicated during the S phase of the cell cycle. Additionally, the cell must ensure that all necessary molecules and enzymes required for replication are available.
The Replication of DNA does occur before the cell can divide.
Chromosomes
dna
There is no DNA of mitosis. Before mitosis, the DNA must be replicated, which occurs during interphase of the cell cycle.
Copy it's DNA
They must unwind part of the original DNA molecule.