No one knows for certain, and there is much scientific debate on this issue. Some scientists have speculated that they might have been parts of parasitic organisms that got separated from the machinery for producing the rest of the cell and still managed to infect their hosts, their RNA/DNA being incorporated into the host cell and then being replicated by the host cell's own machinery.
No, viruses come in all shapes. Google T even viruses, adenoviruses, HIV and other retroviruses and see all the different shapes viruses can come in. Round capsids to space ship lander shaped capsids.
Viruses come in both prokaryotic an eukaryotic forms.
Viruses are not considered alive as they lack the ability to perform metabolic processes on their own. Outside of a host cell, viruses can become inactive but not die in the same way living organisms do. They can remain intact for extended periods until they come into contact with a suitable host.
Anything that causes disease is considered to be pathogenic. This includes viruses and bacteria. People who come in contact with certain of these organisms may become very ill.
No, viruses are nonliving.
The game WolfQuest does not have any viruses.
yes but a lot of viruses are copies of themselves
By downloading a virus...
the symptoms of many viruses come and go within 24 hrs.using viral replication information to explain why this is the case?
The virus can always come into your computer.
some viruses can come from LIME WIRE. because of some of the musics you download may have viruses.
No, viruses come in all shapes. Google T even viruses, adenoviruses, HIV and other retroviruses and see all the different shapes viruses can come in. Round capsids to space ship lander shaped capsids.
viruses come from coughs and sneezes. people normaly sneeze and the touch somthing and then you will touch it and will catch their germs causing the virus
Three that come to mind are adenovirus, influenza, and RSV.
Viruses can come from multiple sources, but the most common is removable media, from downloads off the Internet, and from e-mail attachments.
if your talking about the cell then they can be any shape
Hello there! The envelope of enveloped viruses come from the lipid bilayer of host cells during the budding process. Simple! 😊