49
Table 2-2
3H-thymidine incorporation:
Day 7-8 cells
Cells
Score
% Labelled Nuclei
Unpurified
21/519
4.0%
Purified
28/566
4.9%
 3H-thymidine incorporation into cells during 24 hours in
culture. Both unpurified and purified cultures contained a
small percentage of cells with labelled nuclei. All of
these labelled cells were A2B5(-).