BIOL 150 Lecture Notes - Lecture 25: G0 Phase, S Phase, Mitosis

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15 Mar 2018
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Biol 150 principles of molecular & cellular biology. We looked at how cells separate chromosomes during cell division to make sure that both progeny cells have a full complement of chromosomes. Cells committed to division follow a set pattern of growth and division, called the cell cycle. Cells grow as they take in nutrients and energy during the first phase of the cell cycle, called g1 ( gap or growth ). When they have enough energy, cells will enter s-phase ( synthesis ) to replicate the dna in all of their chromosomes. Finally, cells will undergo mitosis, to split the cell into 2 smaller cells, and to divide the chromosomes evenly and pass one of each chromosome to each of the daughter cells. Not all cells are dividing as rapidly as possible. Cells can leave the cell cycle to enter a static phase called g0.

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