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What is Strand A flu?
Strand A flu refers to influenza viruses that belong to one of the two main types of influenza viruses (A and B). Influenza A viruses can infect both humans and animals, leading to seasonal flu outbreaks and occasional pandemics. These viruses can mutate and evolve rapidly, making them a significant public health concern.
What virus infect bacteria?
Bacteriophages are viruses that infect and replicate within bacteria. These viruses inject their genetic material into a bacterium, which then uses the bacterium's machinery to produce more phages. This eventually leads to the lysis of the bacterium and release of new phages to infect other bacteria.
Can mutation allow a virus to cross into a new species?
Rather more easily than mutations in your genome! A virus which may have only a few hundred genes can have large changes in function from just one mutation and can be then accounted a new "species " as progeny inherit the mutation. ( as much as one counts viruses as species )
What is it about the life cycle of viruses that allow them to evolve rapidly and jump to a different host?
Viruses replicate quickly and mutate frequently during their life cycle, which allows them to adapt rapidly to new environments and hosts. This high mutation rate gives viruses the ability to evolve and potentially jump to a different host species. Additionally, some viruses have broad host ranges due to their ability to bind to receptors that are conserved across different species.
Do viruses replicate in cells of organisms?
Yes. This is the reason that viruses infect cells. The virus injects its genetic material, either DNA or RNA, which then takes over the cell's activities and turns the cell into a virus factory, causing the cell to make new virus parts and assemble them. Eventually the cell ruptures and the new viruses are free to infect other cells.
Do viruses evolve?
Yes, viruses evolve over time. They will usually mutate into a stronger virus. When viruses face something new that could stop them, they usually mutate.
What is Strand A flu?
Strand A flu refers to influenza viruses that belong to one of the two main types of influenza viruses (A and B). Influenza A viruses can infect both humans and animals, leading to seasonal flu outbreaks and occasional pandemics. These viruses can mutate and evolve rapidly, making them a significant public health concern.
What virus infect bacteria?
Bacteriophages are viruses that infect and replicate within bacteria. These viruses inject their genetic material into a bacterium, which then uses the bacterium's machinery to produce more phages. This eventually leads to the lysis of the bacterium and release of new phages to infect other bacteria.
Why can isolation cause differences in species and possibly lead to new species?
Their genes might mutate in different directions, so once their genes do not match up, a new species will be made.
Why isolation cause differences in species and possibly lead to new species?
Their genes might mutate in different directions, so once their genes do not match up, a new species will be made.
how are new viruses produced How might this process cause harm to the infected cell?
All viruses kill they cells that they infect. If not right away then later.
Can mutation allow a virus to cross into a new species?
Rather more easily than mutations in your genome! A virus which may have only a few hundred genes can have large changes in function from just one mutation and can be then accounted a new "species " as progeny inherit the mutation. ( as much as one counts viruses as species )
What is it about the life cycle of viruses that allow them to evolve rapidly and jump to a different host?
Viruses replicate quickly and mutate frequently during their life cycle, which allows them to adapt rapidly to new environments and hosts. This high mutation rate gives viruses the ability to evolve and potentially jump to a different host species. Additionally, some viruses have broad host ranges due to their ability to bind to receptors that are conserved across different species.
How do viruses grow and develop over time?
Viruses grow and develop by infecting host cells and using their machinery to replicate. They can mutate and evolve over time, leading to new strains and variations.
Do viruses replicate in cells of organisms?
Yes. This is the reason that viruses infect cells. The virus injects its genetic material, either DNA or RNA, which then takes over the cell's activities and turns the cell into a virus factory, causing the cell to make new virus parts and assemble them. Eventually the cell ruptures and the new viruses are free to infect other cells.
How does the common cold spread in the human body?
The Lytic Cycle describes the process. This is the mechanism by which viruses infect a host, take over the function of the cells, and use them to replicate millions of new viruses in your body. The word lytic is used since the infected host cells are lysed (split open), and killed in the process, as the new virus particles mature and are ready for release in the body. Common cold viruses infect the cells of the mucous tissue in humans, mostly that of the respiratory system. However, cold viruses also infect the tissues in the eyes, mouth and the rest of the gastrointestinal system with mucous tissue.
Are viruses host specific?
It means that a virus will only attack what its meant to. ie: If you get the flu the virus is supposed to attack your airways that is why you get a stuffy nose and a cough if it was not specific it would mean that you could catch the flu virus and get a pain in your leg. it means that a virus can infect to its specific host only which provides it suitable environmernt to replicate. the infection needs host and virus surface interactions and also the genetic compatebility a virus which may infect a plant or animal may not infect humans due to its host specificity but when there occurs a barrier crossage b/w any two species due to mutations or genetical adaptations etc by a viral genome then the virus gets the potential to infect unusual or new hosts and results in new viral strains for eg. the case of HIV and H1N1 can be stdied for this, and this is the case of modified host specificty.
