Scientists isolate the cells in various phases of the cell cycle. They isolate a group of cells which have 1 1/2 times more DNA than G1 phase cells. In the S-phase of the cell cycle, these cells were getting isolated. The second part of the interphase is the synthesis phase which is called as S-phase.
The S phase is the period of DNA synthesis during which the cells will replicate their genetic content. In the Synthesis phase, the cell synthesizes a complete copy of DNA in its nucleus, and It also duplicates a microtubule organizing structure called the centrosome. These centrosomes will helps to separate DNA during the M phase.
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