Answer
Full Solution Locked
Sign in to view the complete step-by-step solution and unlock all study resources.
Step 1: Introduction
DNA replication is the process by which a cell makes an identical copy of its DNA molecule. This process is essential for life because it ensures that genetic information is passed accurately from one generation of cells to the next during cell division.
Final Answer
DNA replication occurs in the S phase (synthesis phase) of the cell cycle, which is a phase between G^1 phase and G^2 phase before mitosis or meiosis. Step 2: The Cell Cycle and DNA Replication The cell cycle is a series of events that take place in a cell leading to its division and duplication. It consists of four main phases: G^1 phase, S phase, G^2 phase, and M phase. DNA replication occurs in the S phase. Step 3: The Importance of DNA Replication DNA replication is crucial for the continuity of life. It ensures that each new cell receives an exact copy of the genetic material present in the parent cell. This helps maintain genetic stability and enables the transmission of genetic traits from parents to offspring. Step 4: The Process of DNA Replication During DNA replication, the double helix structure of DNA unwinds, and each strand serves as a template for the synthesis of a new complementary strand. The enzyme helicase separates the two strands of the DNA molecule, while DNA polymerase adds nucleotides to the new strands. Step 5: Timing of DNA Replication DNA replication occurs in the S phase of the cell cycle. This timing ensures that the cell has sufficient time to complete the replication process before entering mitosis or meiosis. It also allows for the coordination of other cellular events that occur during the cell cycle. Step 6: Conclusion In conclusion, DNA replication is a fundamental biological process that occurs during the S phase of the cell cycle. It ensures the accurate transmission of genetic information from one cell generation to the next, thereby maintaining genetic stability and continuity.
Need Help with Homework?
Stuck on a difficult problem? We've got you covered:
- Post your question or upload an image
- Get instant step-by-step solutions
- Learn from our AI and community of students