There Are Two Main Phases of the Cell Cycle
Definition
Cell cycle
The cell cycle is a series of stages that a cell goes through to grow, replicate its DNA, and divide into two daughter cells.
- The cell cycle consists of two main phases:
- Interphase: The cell grows, performs its normal functions, and prepares for division.
- Mitosis: The cell divides its nucleus and cytoplasm to form two identical daughter cells.
Interphase: The Preparation Phase
- Interphase is often called the "resting phase," but it is actually a period of intense activity where the cell grows and prepares for division.
- It is divided into three stages:
G1 Phase (Gap 1)
- The cell increases in size and synthesizes essential proteins and organelles.
- It performs its normal metabolic functions, such as energy production and protein synthesis.
- Enzymes and molecules required for DNA replication are produced.
Think of the G1 phase as a cell’s "growth and preparation" period, where it gathers resources and energy for the tasks ahead.
