`G_(0)` state of cell denotes
(a) Exit of cell denotes
(b) Check point before entering the next phase
(c) Death of cell
(d) Temporary pause

Options

A. Exit of cell denotes
B. Check point before entering the next phase
C. Death of cell
D. Temporary pause

Answer

To solve the question regarding the G₀ state of a cell, let's analyze the options provided step by step:

1. **Understanding the G₀ Phase**: The G₀ phase, also known as the quiescent phase, is a state where cells exit the cell cycle. This means that they are not actively preparing to divide or replicate.

2. **Evaluating the Options**:
- **Option (a) Exit of cell**: This option suggests that the G₀ state indicates that the cell has exited the cell cycle. This aligns with the definition of the G₀ phase.
- **Option (b) Checkpoint before entering the next phase**: A checkpoint typically refers to a control mechanism in the cell cycle that ensures the cell is ready to proceed to the next phase. The G₀ phase is not a checkpoint; it is a state where the cell is not preparing to divide.
- **Option (c) Death of cell**: The G₀ phase does not denote cell death. Cells in the G₀ phase are alive but are not actively dividing.
- **Option (d) Temporary pause**: While the G₀ phase can be seen as a pause in the cell cycle, it is more accurately described as an exit from the cycle rather than a temporary pause, as cells in G₀ may remain in this state for an extended period.

3. **Conclusion**: Based on the definitions and evaluations of the options, the correct answer is:
- **(a) Exit of cell**.