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[" 48.A cell's division time is "1" minu...

[" 48.A cell's division time is "1" minute.In "20" minutes,a culture "],[" tube (culture medium) is "1/8^(" th ")" filled with cells.When the "],[" tube will be fully filled? "],[[" (a) "21" minutes "," (b) "23" minutes "],[" (c) "60" minutes "," (d) "160" minutes "]]

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