Two important cellular processes that occur during the interphase of the cell cycle are the G1 checkpoint (G1 phase) and DNA replication (S phase).
- Interphase has three phases: growth 1 (G1) phase, synthesis (S) phase and growth 2 (G2) phase.
- During G1 and G2 phases, the cell grows and synthesizes all enzymes required for cell division.
- The G1 checkpoint is a critical event that controls the progression through the cell cycle (G1 arrest) after the cell recognizes that its DNA is or not damaged.
- The G1 checkpoint occurs during the end of the G1 phase, which is followed by the S phase.
- During the S phase, the cell replicates its genetic material (DNA), which is fundamental to proceed with the M (mitosis) phase.
In conclusion, two important cellular processes that occur during the interphase of the cell cycle are the G1 checkpoint (G1 phase) and DNA replication (S phase).
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