Cell growth occurs during

Options

A. Interphase
B. Mitotic phase
C. Postmitotic phase
D. Interphase and postmitotic phase

Answer

**Step-by-Step Solution:**

1. **Understanding Cell Cycle Phases**: The cell cycle consists of several phases, primarily divided into interphase and the mitotic phase. Interphase includes G1, S, and G2 phases, while the mitotic phase (M phase) is where cell division occurs.

2. **Identifying the Phases of Interphase**:
- **G1 Phase**: This is the first phase of interphase where the cell grows and prepares for DNA synthesis. It is a period of cell growth and metabolic activity.
- **S Phase**: This phase is characterized by DNA replication. The cell synthesizes a complete copy of the DNA in its nucleus.
- **G2 Phase**: In this phase, the cell continues to grow and prepares for mitosis. It ensures that everything is ready for cell division.

3. **Understanding the Mitotic Phase**: The M phase is where the actual cell division occurs, leading to the formation of two daughter cells. This phase does not involve growth but rather the separation of the replicated DNA and cytoplasmic contents.

4. **Conclusion**: Since cell growth occurs during the G1 and G2 phases of interphase, the correct answer to the question "Cell growth occurs during" is both interphase and the post mitotic phase (which includes G1 and G2).

5. **Final Answer**: The correct option is **interphase and the post mitotic phase**.

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