Cell cycle and main events in every phases Interphase Cell grows and DNA replication carries out normal and chromosome metabolism;I duplication organelles duplicate G Cell grows and prepare for mites
Cell cycle and main events in every phases
Some Eucaryotic Cell-Cycle Times Cell Type Cell-Cycle Times Early frog embryo cells 30 minutes Yeast cells 1.5-3 hours Intestinal epithelial cells 12 hours Mammalian fibroblasts in culture 20 hours Human liver cells I year
DNA synthesis cycle demonstrated by 3H-thymidine incorporation 100 E00 60 40 20 10 Hours after 3H-thymidine addition Figure 14.2 Experimental results that demonstrate that defnednemedefthe eell
DNA synthesis cycle demonstrated by 3H-thymidine incorporation
Normal cell Cycle DNA Analysis G GG C SG2M 0 200 400 60 800 1000 2N 4N DNA content By Flow cytometer microscopy
0 200 400 600 800 1000 DNA content C o u n t Normal Cell Cycle By Flow cytometer microscopy
+ S 2n 4n Amount of dNa per cell