Colchicine (F.W. 399.4), an alkaloid purified from the autumn crocus flower, blocks cell division by inhibiting mitosis. It is effective at concentrations of 0.1-1ug/ml. You have a cell culture with 40mls volume. How much colchicine do you add for a final concentration of 0.5 ug/ml?

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Data given in question are formula weight or molecular weight of colchicin... View the full answer