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What are the spikes and there function in a virus?
Spikes are proteins that are part of the viral capsid/envelope (depending on if the virus is a naked virus or not). It helps with attachment to the host cell. They are derived from their host cell's own proteins (but are not the same as their hosts), and can help in evading the host cell's defenses.
What part of virus allows it to attach to a cell?
The proteins in the capsid allow the virus to attach to the "docking stations" proteins of the host cell.
How does a latent virus reproduce?
A latent virus remains dormant in the host cell without actively reproducing. When triggered by certain factors, such as stress or a weakened immune system, the virus can reactivate and begin replicating in the host cell to produce new viral particles.
What advantage does a virus have when invading an organism if it incorporates part of a host cell membrane into its envelope?
By incorporating part of a host cell membrane into its envelope, a virus can disguise itself and evade detection by the host's immune system. This camouflage allows the virus to enter host cells more easily without triggering an immune response, increasing its chances of successful infection.
What energy does the flu virus use?
It uses the energy of a host cell, in a sort of parasitic way. A virus is non-living, although it is a well structured organism able to reproduce and cause things to happen. To do these things, it does not generate or use its own power or energy. Instead, it invades a living host (a plant, animal or human) and attaches a virus particle into a cell and makes that living cell of the host to which it has attached change its operations from working for the host to working for the virus. The cell begins to create duplicates of the virus particles. It does this because once the virus has attached itself, it adds part of its own DNA or RNA instructions into the cell which turns the cell into a virus-making factory. The cell's original DNA is no longer giving the instructions to the cell and so it is no longer doing what it is supposed to for the host and eventually dies when it bursts open to release the virus "babies". This is what makes us get sick if enough of our cells are pulled off their usual jobs by the virus and made to do other things and then die. All the energy that is needed to reproduce the virus is supplied by the host cell, and as it produces new virus particles those "offspring" attach to more cells and the process repeats cell by cell particle by particle as it moves through our bodies and attaches to more cells. Eventually (hopefully) our body's immune system learns the key to turning the virus off (or "killing" it). If too many of our cells are diverted before the immune system figures out how to attack the virus to stop it, then we can have organ and system failures and that is how we get very ill or even die.
Which part of the virus enters the bacteria and produced more viruses?
The virus attaches to the outer cell wall,inserts its DNA. It takes the cells functions over and starts a viral factory.
Which part of the virus takes over the host cell and contains the genetic material chooseCapsidDNAcytoplasmnone of the above?
DNA
What is a reterovirus?
A retrovirus is an RNA virus that is replicated in a host cell via the enzyme reverse transcriptase to produce DNA from its RNA genome. The DNA is then incorporated into the host's genome by an integrase enzyme. The virus thereafter replicates as part of the host cell's DNA. Retroviruses are enveloped viruses that belong to the viral family Retrovirida.
What happens to the provirus when the host cell reproduces?
When the host cell reproduces, the provirus is replicated along with the host cell's DNA. As the host cell divides, each daughter cell also inherits a copy of the provirus, which integrates into the genome of the new cells.
Does a portion of the viral envelope come from the cell membrane of the host cell?
Yes, a portion of the viral envelope can come from the host cell membrane. When a virus buds out of a host cell, it can acquire some of the host cell's membrane components, incorporating them into its envelope.
What part of a virus does not enter the host?
Generally, the protein coat that surrounds the viral genetic material and any reverse trascriptase enzymes. This capsid stays outside the cell attacked while the genetic material and whatever else is needed is injected into the cell or the capsid merges with the cell membrane and the vital viral material enters the cell.
What do enveloped viruses possess?
As the virus is leaving the cell (budding), it sometimes takes along a part of the cell's membrane called the envelope. Those viruses without an envelope are called "naked" viruses. Those with one are said to be enveloped.
