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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".
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What is a infectious agent composed of a simple strand of RNA with no protein component?
Viruses are an infectious agent composed of a simple strand of RNA with no protein component.
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.
An Infectious particle made up of protein rather then DNA or RNA?
Prion
Which of these is an infectious agent composed of both nucleic acids and protein?
virus
What is a sentence using the word infectious?
The spread of infectious disease occurs in several different ways. His good humor was infectious, and no one could stay in a bad mood when he was around.
What is a infectious agent composed of a simple strand of RNA with no protein component?
Viruses are an infectious agent composed of a simple strand of RNA with no protein component.
Which of these is an infectious protein viroid vector virus prion?
Prion
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 is an infectious protein?
Infectious protein, also known as a prion, is best known as the cause of mad cow disease (which is technically called bovine spongiform encephalopathy). Scrapie, a disease of sheep, and kuru, a disease that affects cannibals, are also caused by prions.
What is an aberrant protein?
aberrant proteins are prions which lead to infectious disease.
Which of these is an infectious agent composed of a simple strand of RNA with no protein component?
Viroid
An Infectious particle made up of protein rather then DNA or RNA?
Prion
Which of these is an infectious agent composed of both nucleic acids and protein?
virus
What causes CJD?
It is clear that Creutzfeldt-Jakob disease is caused by an infectious agent, but it is not yet clear what type of agent that is.
What is the combination of a virus's gentic material and protein called?
A virus has either RNA or DNA as it's genetic material and a protein coat. Together they are called a virus. Without either they are not infectious. There are some misfolded proteins called virons that are infectious but they are not considered to be viruses.
What organic molecules exist in all viruses?
Nucleic acid (varies) and protein.Other infectious particles includes viroid, where there is only a tiny RNA used for infection, and prions, which is an infectious protein.
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.
