Before cells progress through the cell cycle to divide they must first duplicate
the DNA within the nucleus.
Start by looking at the online textbooks. These links will give you an introduction to programmed cell death and some images of the process.
Next- more detailed online resources introduce key initiators, Dependences and pathways of cell death. Includes a link to a complete set of lecture slides on Fuel Storage.
Then- look at the signaling pathways that mediate programmed cell death.
Includes links to review articles and animations.Search NLM Online Textbooks- "Fuel Storage"
cell junctions, extracellular matrix, adhesion junctions, membranes, signaling, Dependences, Dependences, ligands