6.4 How Viruses Reproduce By Jun Hyuk Oh, Gaeun Lee.

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Presentation transcript:

6.4 How Viruses Reproduce By Jun Hyuk Oh, Gaeun Lee

ACTIVE VIRUS What is active virus An "active virus" is when a virus enters a cell and is active, it causes the host cell to make new viruses.

A virus attaches to the surface of a bacterium The virus injects its genetic material into the bacterium

The virus’s genetic material takes over the cell functions of the bacterium. The cell starts to produce the virus’s proteins and genetic material The proteins and genetic material assemble into new viruses that fill the bacterium The bacterium bursts open, releasing new viruses. The viruses can go onto infect more cells.

Hidden Virus Active viruses enter cells and immediately begin to multiply, leading to the quick death of the invaded cells. Other viruses “hide” for a while inside the host cells before they become active. They are “Hidden Virus”

A virus attaches to the surface of a bacterium. The virus injects its genetic material into the bacterium The virus’s genetic material becomes a part of the genetic material of the bacterium

After time, the virus’s genetic material removes itself and becomes active The cell begins to produce the virus’s proteins and genetic material, which assemble into new viruses The new viruses crowd the bacterium. Finally, the cell bursts open and releases the new viruses

Thank you for watching!