Question

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Why is the cell cycle important to the growth of organisms?

Answer 1

The cell cycle is the regulated series of steps a cell goes through to grow and divide. By duplicating its DNA (S phase) and then dividing into two daughter cells (mitosis and cytokinesis), organisms increase their number of cells, which produces overall growth, development, and tissue repair. Checkpoints in the cycle ensure DNA is copied and distributed accurately, maintaining genetic stability and preventing damaged cells from proliferating. In short, the cell cycle provides the controlled production of new cells needed for growth, replacement, and healthy function.