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frequent mutations
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What is one property of viruses that makes it difficult to cure viral infections?
One major problem that makes a viral infection so hard to cure is that they mutate so rapidly. It also hard to find drugs that will work. Tamiflu is an antiviral that acts against an enzyme that the virus needs to break out of the host cell and spread but many viruses are so simple that there are very few ways to stop them.
How do you explain how copies of viruses are produced?
copies of viruses are produced because some viruses stay inside there host cells.
Why viruses are difficult to classify as living organisms?
It is because viruses are not made up of cells
Do viruses break into bodies cells to reproduce?
Yes, that's basically what they do: they take over the cell's own ability to reproduce itself but then not to make more of that cell but to make more viruses.
Who study viruses?
Viruses have the ability to greatly affect life on earth. Many viruses, such as HIV and influenza have killed millions of people. By studying viruses, scientists are able to develop vaccines that will protect people (and animals) from viruses.
How do viruses reproduce rapidly?
Because of their ability to undergo _____, viruses can rapidly evolve.
Why do viruses evolve so rapidly?
because they learn like what your bodies weakness and be it.
A key characteristic of pandemic influenzas is that they?
They are rapidly spreading, easily transmitted from human to human, have the ability to mutate rapidly, and they usually spread in several waves before they die out.
Why vaccine is not developed for viral fever?
because viruses responsible for viral fever are many and mutate very rapidly.
What do some viruses lack?
Some viruses lack the ability to replicate. These types of viruses often don't show symptoms in healthy people because they are not strong enough to cause illness.
Virusers are not considered alives because they lack what?
Viruses are not considered alive because they lack the ability to reproduce unless they have a host to reproduce for them. When viruses are not attache to a living cell they lose all living characteristics.
Is it possible to evolve rapidly?
Very possible. Microorganisms and viruses do it seasonally.
What viruses has the ability to cause a pandemic?
Hantavirus
Why is A difficult to classify virus as a livingthings?
It is difficult because viruses lack the ability to replicate themselves and theey lacks energy metabolism and other pathways that living things have. Viruses are totally depending on their host. If they want to replicate, they have to infect the host.
Why it is difficult to treat diseases caused by viruses?
This is because viruses multiply rapidly . Faster than any other micro-organism . Also, viruses need a host to live .They are non living when not on a host . To estimate their characteristics is hard because they are living and non living .
Why do plant viruses have a difficult time entering the cells they infected?
Plant viruses have a difficult time entering the cells they infect partly because plant cells are surrounded by tough cell walls that viruses alone cannot break through; however, once inside a plant they can multiply and spread rapidly.
Why do we study viruses?
Viruses have the ability to greatly affect life on earth. Many viruses, such as HIV and influenza have killed millions of people. By studying viruses, scientists are able to develop vaccines that will protect people (and animals) from viruses.
