0
i don't know in detail, but they have a DNA strand (RNA) like the ones in our cells which tell them to attack certain cells. but their DNA can very easily change or mutate, causing it to attack other cells. if our body has fought a certain virus with a certain DNA, then the next time a virus with the same DNA strand comes, our body will remember it and destroy it quickly. but some viruses, like the flu causing virus, change their DNA just a tiny bit, but it's enough for our body to not recognize it, therefore taking longer to register and destroy.
Wiki User
∙ 16y ago
Wiki User
∙ 14y agoIt knows when to attack when they move around in circles.
Wiki User
∙ 12y agoFor attachment to occur, a site on the phage must match with a complementary receptor site on the cell wall of the bacterium.
Wiki User
∙ 15y agoBy specific cell receptors
Add your answer:
Earn +20 pts
How does the structure of a virus help it survive?
The capsid of the cell helps the virus to infect host cells as well as multiply quickly.
How does your body benefit when a white blood cell kills a cell that has been infected by a virus?
Your body benefits when a white blood cell kills a cell that has been infected by a virus because the cells that was infected is no longer able to infect other cells with the bacteria. If the cell is not killed the virus in the cell will infect other cells. this may cause diseases that can be life threatening.
What is a kingdom specific infection?
A kingdom-specific infection refers to the manner in which viruses can only infect specific types of host cells. For example, a virus that infects a plant cannot infect a dog or a human, because plants are members of a different kingdom. Likewise, a virus that infects a bacteria (bacteriophages) cannot infect a plant or a bird.
What type of virus infect bacteria?
Bacteriophage
What happens when the virus has complete control of the cell?
One of two things can happen: the cell becomes quiet (latent) and activates later or secondly it will break open destroying the cell and casting many virus particles out to infect other cells.
The human immunodeficiency virus may infect what cells?
sperm cells
Does HIV initially infect cells of the nervous system?
HIV, the human immuno-deficiency virus, does not infect nerve cells, it infects white blood cells. (false)
How does the structure of a virus help it survive?
The capsid of the cell helps the virus to infect host cells as well as multiply quickly.
How do you describe the reproduction of polio in the body?
Polio virus can infect only human being. Like other viruses, polio virus infect the cells. After getting attached to the cell, the virus genome is inserted into the cell body. The genetic material of the host is broken into small fragments and assembled as per the genome of the polio virus. Multiple such copies are formed and then released in the body to infect the new cells.
What cells are infected by the human immunodeficiency virus considering that most viruses infect a specific kind of cell?
T-cells.
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.
What virus infect bacteria?
Bacteriophage is the virus that infects bacteria
HIV initially infects cells of the nervous system.?
HIV, the human immuno-deficiency virus, does not infect nerve cells, it infects white blood cells. (false)
What is lytic reproduction?
ex. a virus enters a cell, replicates, and then "lyses" (ruptures) the cell. those virus particles are now free to infect other cells.
Since a virus attacks cells at random why can't we just inject a virus into a localized area of the body with cancer and let the virus wipe the cancer out?
Because then the virus would infect the cancerous cells and any nearby healthy cells. Scientists are researching technology that utilizes lasers and nano-bots to attack cancerous cells and destroy them.
How does your body benefit when a white blood cell kills a cell that has been infected by a virus?
Your body benefits when a white blood cell kills a cell that has been infected by a virus because the cells that was infected is no longer able to infect other cells with the bacteria. If the cell is not killed the virus in the cell will infect other cells. this may cause diseases that can be life threatening.
What will happen if a cell bursts and realeses the virus that it was forced to make?
The cell dies and the viruses are dispersed and infect more cells.
