Why does the drug methotrxate lose its effectiveness

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The structures that you would see in a dividing animal cell but NOT in these dividing onion cells are the Why is there such concern about the loss of species diversity in plants around the world, and how is this connected with cancer treatment?

Why does the drug methotrxate lose its effectiveness over time?

What effect does the drug methotrexate initially have on cancerous cells that makes it an effective drug in cancer treatment?

Reference no: EM132528778

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