05-06-2008, 06:17 PM
An actively replicating cancer cell line with fluorescently labeled DNA is passed through a cell sorter and divided into three pools. Fifty percent of the cells contain a DNA content of N, 20% contain 2N, and the remaining 30% has varying amounts of DNA between N and 2N. Assuming that the life cycle of this cell line is approximately 20 hours, about how much time do the cells spend in S-phase on average?
A. 2 hours
B. 4 hours
C. 6 hours
D. 10 hours
E. 20 hours
A. 2 hours
B. 4 hours
C. 6 hours
D. 10 hours
E. 20 hours