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Prion

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Is SARS a prion or viroid?

SARS (Severe Acute Respiratory Syndrome) is caused by a virus, specifically a coronavirus. It is not caused by a prion or a viroid.


A disease causing particle made of RNA without a capsid is called?

A Prion. It transmits a mis-folded protein state, and replicates by causing the host's proteins to replicate into its mis-folded pattern. Mad Cow disease is an example of a prion.


Which type of microrganisim is the smallest?

A prion is a small infectious particle that contains a misfolded protein. These contain no DNA or RNA. These cause Creutzfeldt-Jakob disease, Scrapie in sheep and Kuru. These are deadly and progressive nerve wasting diseases.A plant pathologist discovered an infectious RNA particle smaller than a virus that causes diseases in plants. He called it a viroid. Millions each year are lost by these viroids. These contain only RNA.These two are the smallest infectious particles. They are not called microorganisms because they are not alive any more than viruses are.


What is a prion vector?

A prion vector refers to an agent that can transfer and propagate prions, which are infectious proteins responsible for causing various neurodegenerative diseases in animals and humans. These vectors can include contaminated food, surgical instruments, or bodily fluids that carry prions and can transmit the disease to susceptible individuals.


What organic molecule is a prion?

A prion is a misfolded form of a protein molecule, specifically the prion protein (PrP). It can induce other normally folded PrP proteins to adopt the misfolded conformation, leading to the spread of prion diseases.

Related Questions

What is a non-cellular infectious agent?

A virus, a viroid or a prion


Which of these is an infectious agent composed of a simple strand of RNA with no protein component viroid vector prion virus?

An infectious agent consisting of a protein is a prion. This is a misfolded protein. It can cause several central nervous system diseases including Creutzfeldt-Jakob Disease, Fatal Familial Insomnia and Kuru in humans, Spongiform Encephalopathy in cows, mink, and cats plus Scrapie in sheep.A VIROID consists only of a minuscule circular RNA molecule, lacking the protein coat of a virus. Viroids appear to be transmitted mechanically from one cell to another through cellular debris. They infect only plants. Viroids are common plant pathogens which cause severe economic problems.A vector is something that carries something else. Like the bacteria on our hands or the ones on the feet of flies.A virus is much more complicated than the viroid or prion and has DNA or RNA (not both) as their genetic material with a protein coat surrounding them.


Is a prion a protein?

Yes, a prion is a type of protein that can cause infectious diseases in animals and humans.


Is SARS a prion or viroid?

SARS (Severe Acute Respiratory Syndrome) is caused by a virus, specifically a coronavirus. It is not caused by a prion or a viroid.


An infectious agent that consists only of protein is a?

An infectious agent consisting of a protein is a prion. This is a mis-folded protein. It can cause several central nervous system diseases including Creutzfeldt-Jakob Disease, Fatal Familial Insomnia and Kuru in humans. Spongiform Encephalopathy in cows, mink, and cats plus Scrapie in sheep.


Does a virus have a protein coat?

Yes. All viruses are composed of a nucleic acid surrounded by a protein capsid. When the capsid is not present, the the infectious nucleic acid is called viroid. When the nucleic acid is not present, the infectious protein coating is called prion.


What one of these is an infectious protein?

They are called Prion. This is the definition I fount at wordnetweb.princeton.edu/perl/webwn: "an infectious protein particle similar to a virus but lacking nucleic acid; thought to be the agent responsible for scrapie and other degenerative diseases of the nervous system".


An Infectious particle made up of protein rather then DNA or RNA?

A prion is an infectious particle composed solely of protein that can cause abnormal folding of other proteins in the brain, leading to neurodegenerative diseases like mad cow disease. Prions are known for their unique ability to self-replicate by inducing normal host proteins to adopt the misfolded prion form.


Is Lou Gehrig's disease a genetic disorder?

It is caused by a prion. This an infectious protein not a virus.


A disease causing particle made of RNA without a capsid is called?

A Prion. It transmits a mis-folded protein state, and replicates by causing the host's proteins to replicate into its mis-folded pattern. Mad Cow disease is an example of a prion.


Where are gene sequence for protein in a prion?

there is no "protein in a prion", because prion is nothing but a protein. The gene sequence of this protein is just normal, with nothing special.


How is kuru caused?

Infectious protein particles that cause kuru are passed directly to individuals through the ingestion of prion-infected tissue or when open sores on the recipient's skin are exposed to prion-infected tissue.