Which of the phases of cell cycle is of longest duration?
Interphase is of the longest duratian. It has following events and is divided in the following phases
(a) G1 phase (Gap 1) Corresponds in the interval between mitosis and initiation of DNA replication Cell is metabolically active ancl continously grows but does not replicate its DNA.
(b) S-phase (Synthesis phase) Marcks the period during which DNA synthesis or replication takes place.
(i) Amount of DNA per cell doubles
(ii) No increase in chromosome number
(c) G2 Phase (Gap 2) Proteins are synthesised for the preparation of cell division, while cell growth continues.
