1
Which checkpoint ensures that DNA damage is repaired before mitosis proceeds?
2
What is the primary effect of mitogenic factors on cyclin‑Cdk complexes?
3
Why do mature hippocampal neurons undergo apoptosis when deprived of survival factors?
4
Which of the following best describes the role of the APC/C complex during mitosis?
5
In the context of neuronal development, what molecular change characterizes the transition to a permanent post‑mitotic state?
6
How does the tumor suppressor p53 influence the cell cycle when DNA damage is irreparable?
7
Which extracellular factor specifically stimulates proliferation of erythroid precursors?
8
During the G1 phase, which event is most variable among different cell types?
9
What is the consequence of PDGF binding to its receptor on a fibroblast?
10
Which mechanism primarily desensitizes cells to continuous exposure to a ligand?