3. Describe the events taking place during interphase.
Interphase involves a series of changes that prepare a cell for division. It is the period
during which the cell experiences growth and DNA replication in an orderly manner.
Interphase is divided into three phases.
G1 phase
S phase
G2 phase
G1 phase – It is the stage during which the cell grows and prepares its DNA for
replication. In this phase, the cell is metabolically active.
S phase – It is the stage during which DNA synthesis occurs. In this phase, the amount
of DNA (per cell) doubles, but the chromosome number remains the same.
G2 phase – In this phase, the cell continues to grow and prepares itself for division.
The proteins and RNA required for mitosis are synthesized during this stage.
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