people who have leukemia a cancer that affects white blood cells are often given Cytarabine. the drug inhibits the synthesis of DNA which phase of the cell cycle is most affected by Cytarabine

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for example, no new evidence will demonstrate that the earth does not orbit around the sun (heliocentric theory), or that living things are not made of cells (cell theory), that matter is not composed of atoms, or that the surface of the earth is not divided into solid plates that have moved over geological timescales .