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