What is G.-phase? What changes occur in it?

Explanation

### Step-by-Step Solution:

1. **Definition of G0 Phase**:
- The G0 phase, also known as the quiescent stage, is a period in the cell cycle where cells exit the active cycle of division. It is a state of arrested development where the cell is not actively preparing to divide.

2. **Characteristics of G0 Phase**:
- Cells in the G0 phase are metabolically active but do not proliferate. They may remain in this phase for an extended period, depending on the cell type and environmental conditions.

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