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capsid wall
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∙ 12y ago
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Can virus be made into crystal?
The virions (ie. virus particles outside the host cell) can be crystallized, yes.
How do you describe an active virus?
The virus attaches to the host cell, it takes over the functions of the host cell, and it eventually destroys it. If there was no host cell, the virus would die.
What is a virus called outside a host cell?
virus can't live outside host cell
What can a virus do without a host cell?
It can do nothing. It needs the host cell to make more virus particles.
What is caused by the multiplication of a small infectious agent which invades a host cell and then destroys it?
virus
What must reproduce inside a virus?
Nothing reproduces inside a virus. It has to latch on the a host cell and insert its' DNA or RNA and then make the host cell reproduce virus particles.
How are the lysogenic and lytic cycles different?
causes Disease
How long can mumps virus survive outside a host?
few seconds
Can a virus replicate outside a living cell?
What we need to understand is, viruses do not have its own synthetic machinery such as ribosomes to make proteins. Hence they are completely dependent on the host synthetic machinery for their replication. Virus infects the host cells, integrate its genetic material with the host to produce progeny viral particles.
How does a virus attach to a cell and transfer its genetic material into the cell?
It has to have a host cell that way the virus can multiply in the cell and destroy it. After it destroys that cell it can go to another one and destroy it.
Describe the metabolism of a virus NOT inside a cell?
Virus lack metabolic pathways or any other life activity. This is the reason virus is known as particles and not as life form. they require their host for the replication and dependent of host machinery.
Are prokaryote eukaryote virus multicellular unicellular or both?
Virus particles are not cells or life forms, they are just some nucleic acids coated with proteins and few functional enzymes to infect its host and establish the production of new particles. In absence of host they are unable to do this.
