Interphase starts with G1.
Time for the cell to grow and carry out biochemical activities. Typically lasts for 8-10 hours, but cells can stay in G1 for weeks, months,years.
S stands for SYNTHESIS
Time for DNA replication
Ends when the DNA content of the cell is doubled
The cell enters this phase when the DNA has doubled.
Period of high metabolic activity and protein synthesis.
The division of the nucleus.
Divided into stages - Prophase, Metaphase, Telophase, Anaphase.