Match List-I with List-II array |l|l|l|l| & List-I & & List-II \\ A. & Cells are metabolically active and proliferate & I. & G _2 phase \\ B. & DNA replication takes place & II. & G _1 phase \\ C. & Proteins are synthesised & III. & G _0 phase \\ D. & Quiescent stage with metabolically active cells & IV. & S phase \\ array Choose the correct answer from the options given below:
D. A-II, B-IV, C-I, D-III
(1) During G _1 phase the cell is metabolically active and continuously grows but does not replicate its DNA. (2) S or synthesis phase marks the period during which DNA synthesis or replication takes place. (3) During the G _2 phase, proteins are synthesized in preparation for mitosis while cell growth continues. (4) Cells that do not divide further exit G _1 phase to enter an inactive stage called quiescent stage ( G _0 ) of the cell cycle. Cells in this stage remain metabolically active but no longer proliferate unless called on to do so.
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