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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.
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What is a infectious agent composed of a simple strand of RNA with no protein component?
A infectious agent composed of a simple strand of RNA with no protein component is called a viroid. Viroids are smaller and simpler than viruses, consisting only of a short, circular RNA molecule. They can infect plants and disrupt their normal growth processes.
What is a viruis?
A virus is a tiny infectious agent that can replicate only inside the living cells of organisms. It typically consists of genetic material surrounded by a protein coat and is capable of causing a variety of diseases in animals, plants, and even bacteria.
What is the scientific definition for a virus?
A virus is a small infectious agent that can only replicate inside the living cells of other organisms. It consists of genetic material (RNA or DNA) enclosed in a protein coat and is considered a non-living entity.
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.
What best to describes a virus?
A virus is a microscopic infectious agent that can only replicate inside the cells of living organisms. It is composed of genetic material (either DNA or RNA) surrounded by a protein coat. Viruses can infect all types of organisms, including animals, plants, and bacteria.
vruse are dna and rna?
Most viruses have either RNA or DNA as their genetic material. The nucleic acid may be single- or double-stranded. The entire infectious virus particle, called a virion, consists of the nucleic acid and an outer shell of protein. The simplest viruses contain only enough RNA or DNA to encode four proteins.
What infectious agents is not living?
Viruses are the only non-biological infectious agents; all otheres are forms of pathogen, which are bacteria.
Is a virus made up of a cell or cells?
No, a virus is not made up of cells. It is a small infectious agent that can only replicate inside the cells of living organisms.
Can a carrier only be a human?
No, a carrier is defined as a human or animal that harbors an infectious agent without showing signs of a disease and can infect others.Examples: bats & rabies; cats & toxoplasmosis (in their feces).
The smallest protein consists of about how many amino acid units?
Ever wonder what the smallest protein is? Apparently it's TRP-Cage, a protein with only 20 amino acids derived from the saliva of Gila monsters.
What is the differet between virus and virod?
Virus is a small infectious agent that replicates only inside the living cells of other organisms Virus can infect all type of life form such as animal ,plant and microorganism ,bacteria and archaea Viroid are a smallest infectious pathogens known but larger only prions Viroid can infect mostly plant pathogens
What is a biological particle composed of a nucleic acid core and a protein cover called?
If it consists only of these two components it is a virus.
