What is the difference between a virus and bacteria? What does a virus do to the host organism?
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Answer:
What is the difference between a virus and bacteria?
Bacteria and viruses can cause many common infections. But what are the differences between these two kinds of infectious organisms?
Bacteria are tiny microorganisms that are made up of a single cell. They are very diverse, and can have a large variety of shapes and structural features. Bacteria can live in almost every conceivable environment, including in or on the human body.
Only a handful of bacteria cause infections in humans. These bacteria are referred to as pathogenic bacteria.
Viruses are another type of tiny microorganism, although they’re even smaller than bacteria. Like bacteria, they’re very diverse, and have a variety of shapes and features.
Viruses are parasitic. That means they require living cells or tissue in which to grow. Viruses can invade the cells of your body, using the components of your cells to grow and multiply. Some viruses even kill host cells as part of their life cycle.
What does a virus do to the host organism?
When it comes into contact with a host cell, a virus can insert its genetic material into its host, literally taking over the host's functions. An infected cell produces more viral protein and genetic material instead of its usual products. Some viruses may remain dormant inside host cells for long periods, causing no obvious change in their host cells (a stage known as the lysogenic phase). But when a dormant virus is stimulated, it enters the lytic phase: new viruses are formed, self-assemble, and burst out of the host cell, killing the cell and going on to infect other cells. The diagram below at right shows a virus that attacks bacteria, known as the lambda bacteriophage, which measures roughly 200 nanometers.
not sure....
Virus enrers into the host's body, destroys the cell of the human body, and then controls the body...
Virus is considered NON LIVING outside the host body... but once it enters into the body, then it is considered to be LIVING...
The main difference between bacteria and virus is that..... virus uses the host's cell fir its development...whereas bacteria multiplies within the body of the person
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