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All proteins are by the Cell Theory of Life dead - they do not react to external stimulus, are not a full cell and do not reproduce independently. However, a protein can cause other proteins to fold a certain way, which is what happens in BSE (bovine spongiform encephalopathy, mad cow disease). The infectious protein (called a prion) gets into the brain of a cow and starts to cause the other proteins in the brain to fold up in a different way. These misfolded proteins do not work in the cell and can't be broken down, so they accumulate in the cell until the neuron dies. Once the animal dies from massive neuron death, the misfolded protein must be ingested (eaten) by another cow to continue the cycle.
What else can I help you with?
Can fossils reproduce?
No. They are dead. Dead things cannot reproduce.
Can viruses reproduce with dead or alive cells?
Viruses cannot reproduce on their own because they lack the necessary cellular machinery. They need to infect a living host cell in order to replicate and produce more virus particles. In some cases, viruses can infect and replicate within host cells that are no longer alive, but this is not considered true reproduction.
What type of virus infect bacteria?
Bacteriophage
Can a dead seed germinate and reproduce?
no. its dead.
Can virusis reproduce?
Viruses cannot reproduce on their own. They must infect a host cell and hijack its machinery to replicate. This process ultimately leads to the production of new virus particles that can go on to infect other cells.
How are viruses highly specific to the cell they infect?
The protein capsid of the virus will only fit in a protein marker of a certain cell with that marker, which creates specificity to the cell they infect. For this reason, a virus that is harmful to a plant may be harmless to humans.
Why do virus infect us even its dead?
they have antigen properties after killing
How do you use infect in a sentence?
In Left 4 Dead, the goal of the zombies is to infect the survivors.
What intermediate organism can only reproduce in living cells?
Viruses are the intermediate organisms that can only reproduce in living cells since they lack the cellular machinery necessary for replication. They infect a host cell, take over the cell's machinery to replicate, and then release new viruses to infect other cells.
When do viruses reproduce?
viruses can not reproduce without the help of a living cell(host).they remain inert or dead(in-active) when they are in free environment or outside the body(host).when they enter the living cell or in some cases insert their nucleic acid into the host,it takes over the host's biosynthetic machinery and forces it to reproduce essential viral components and after proper assembly the cell burst and viruses leave the cell to infect other cells
What two ways that viruses do not act like living things?
They don't have their own metabolism and they can't reproduce on their own, two reasons for which they are obligatory parasites. They have to infect other cells with metabolisms to reproduce.
Are viruses devoid of any biochemical machinery and thus behave like dead particles inside the cell?
viruses behave like dead particles out of the cell and in specific out its particular cell. Once inside its cell, the virus uses the cell's machinery to "come alive" it then begins to reproduce and infect other of the same type of cell.
