The check point in cell cycle plays important role in

Options

A. Repair of DNA damage
B. Apoptosis initiation
C. Assess DNA damage
D. Inhibit cell damage

Answer

**Step-by-Step Solution:**

1. **Understanding Cell Cycle Checkpoints:**
- The cell cycle consists of several phases, including interphase (G1, S, G2) and mitotic phase (M). Checkpoints are critical control points that monitor the progression of the cell cycle.

2. **Role of Checkpoints:**
- Checkpoints serve as quality control mechanisms. They ensure that the cell is ready to proceed to the next phase of the cell cycle. This includes checking for DNA damage, proper cell size, and adequate nutrient supply.

3. **Types of Checkpoints:**
- The main checkpoints in the cell cycle are found at the G1 phase (before DNA synthesis), the G2 phase (after DNA synthesis), and during metaphase of mitosis. Each checkpoint has specific roles:
- **G1 Checkpoint:** Assesses cell size, nutrient availability, and DNA integrity.
- **G2 Checkpoint:** Ensures that DNA has been replicated correctly and checks for DNA damage before the cell enters mitosis.

4. **Assessing DNA Damage:**
- One of the primary functions of these checkpoints is to assess DNA damage. If damage is detected, the cell cycle can be halted to allow for repair mechanisms to fix the DNA before the cell continues to divide.

5. **Conclusion:**
- The correct answer to the question is that checkpoints in the cell cycle play an important role in "assessing DNA damage." They do not directly repair DNA damage, initiate apoptosis, or inhibit cell damage; rather, they monitor and ensure that conditions are suitable for cell division.

**Final Answer:**
The checkpoint in the cell cycle plays an important role in assessing DNA damage.

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