How do bacteria and viruses reproduce?
Bacteria and viruses are two distinct types of microorganisms that have different mechanisms of reproduction.
Bacterial Reproduction
Bacteria reproduce through a process called binary fission, where a single cell divides into two identical daughter cells. This process occurs rapidly, with some bacterial species able to divide every 20 minutes.
Before bacterial division occurs, the DNA of the cell is replicated. The two copies of the DNA move to opposite ends of the cell, and the cell membrane and cell wall begin to grow in the middle. Once the cell has doubled in size, it splits in two, creating two genetically identical daughter cells.
Viral Reproduction
Viruses, on the other hand, do not reproduce through binary fission or any other method typical of cellular organisms. Instead, viruses need to infect host cells in order to reproduce.
When a virus infects a host cell, it injects its genetic material into the host. This genetic material takes over the host's cellular machinery, forcing it to produce new viral particles. These viral particles can then infect other host cells and continue the cycle of infection and replication.
Viruses can reproduce in two ways: the lytic cycle and the lysogenic cycle. During the lytic cycle, the host cell is quickly destroyed, and the new viral particles are released into the environment to infect other cells. The lysogenic cycle, on the other hand, allows the virus to remain in the host cell without destroying it. The viral genetic material becomes integrated into the host's genome and is replicated along with the host's DNA.
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