Describethe events taking place during interphase.

Interphaseinvolves a series of changes that prepare acell for division. It is the period during which the cell experiencesgrowth and DNA replication in an orderly manner. Interphase isdivided into three phases.

(i) G₁phase

(ii) Sphase

(iii) G₂phase

G₁phase – It is the stage duringwhich the cell grows and prepares its DNA for replication. In thisphase, the cell is metabolically active.

Sphase – It is the stage duringwhich DNA synthesis occurs. In this phase, the amount of DNA (percell) doubles, but the chromosome number remains the same.

G₂phase – In this phase, the cellcontinues to grow and prepares itself for division. The proteins andRNA required for mitosis are synthesised during this stage.