Gap 1 phase



The first stage of interphase in which the somatic cell grow because of increased mRNA and protein syntheses, organelle production, and increased cytoplasmic volume


In cell cycle, Gap 1 phase is the period after cytokinesis and before Synthesis phase (S phase). During this phase, the eukaryotic somatic cell produces mRNAs and proteins necessary in S phase. When the cell attains growth and produces the required proteins, it will proceed to S phase provided that proper conditions (e.g. suitable nutrient supply, energy, growth factors, and temperature) are favourable. Otherwise, the cell will not proceed to the next phase but will enter G0 phase wherein the cell goes through a period of dormancy.


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