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Viroids are plant pathogens that consist of a short stretch (a few hundred nucleobases) of highly complementary, circular, single-stranded RNA wthout the protein coat that is typical for viruses. The smallest discovered is a 220 nucleobase scRNA (small cytoplasmic RNA) associated with the rice yellow mottle sobemovirus (RYMV). In comparison, the genome of the smallest known viruses capable of causing an infection by themselves are around 2 kilobases in size. The human pathogen hepatitis D issimilar to viroids.

A virus is a small infectious agentthat can replicate only inside the living cells of organisms. Viruses infect all types of organisms, from animals and plants to bacteria and archaea.

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11y ago
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11y ago

Viroids are plant pathogens that consist of a short stretch (a few hundred nucleobases) of highly complementary, circular, single-stranded RNA wthout the protein coat that is typical for viruses. The smallest discovered is a 220 nucleobase sc RNA (small cytoplasmic RNA) associated with the rice yellow mottle sobemovirus (RYMV). In comparison, the genome of the smallest known viruses capable of causing an infection by themselves are around 2 kilobases in size. The human pathogen hepatitis D issimilar to viroids.

A virus is a small infectious agentthat can replicate only inside the living cells of organisms. Viruses infect all types of organisms, from animals and plants to bacteria and archaea.

Although prions are fundamentally different from viruses and viroids, their discovery gives credence to the theory that viruses could have evolved from self-replicating molecules

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14y ago

Viroids differ from viruses in that the former lack

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6y ago

Viroids have no protein coat (capsid); they only have genetic material which is RNA.

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13y ago

Viruses have capsids composed of protein, whereas viroids have no capsids.

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11y ago

6yrghtrhyrthyt

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Q: What represents a difference between viruses and viroids?
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Related questions

What are 2 non-living pathogens?

viruses and viroids.


How do viroids and prions compare with viruses?

they both doesn't have nucleus Type your answer here...


What is the smallest known life form?

I believe that is what biologists call "viroids", which are much smaller than viruses, and as of yet are not completely understood. but if your asking for the answer for your homework and its not "viroids" its definitely "microbes" your welcome 100% on my tests ;)


What kinds of microbes are there?

I) Prions II) Viroids III) Viruses IV) Archaebacteria V) Eubacteria, and VI) The Protists.


Difference between virus and antivirus?

Viruses destroy computers,BUT Anti-Viruses destroy viruses.


Is the smallest living organism?

I think currently the smallest living organisms are thought to be "viroids", which are smaller than viruses. Scientists are still figuring out exactly what viroids are, and do, but they are able to replicate, which means they are life.


How can you tell the difference between bacteria and viruses?

The difference is that viruses are smaller than bacteria. One more major difference is that bacteria are living things whereas viruses are non living things.


Which is the smallest virus infecting human beings?

The human rhinovirus, the virus that causes common colds, is the smallest human-infecting virus, with an average diameter of about 30 nanometers. Other viruses such as smallpox are around 10 times larger, at 300 nanometers.


What difference between bacteria and viruses shows that bacteria are living organsims and viruses are not?

Bacteria are cellular while viruses are non cellular .


What basic structure do viruses share?

Unlike prions and viroids, viruses consist of two or three parts: all viruses have genes made from either DNA or RNA, long molecules that carry genetic information; all have a protein coat that protects these genes; and some have an envelope of fat that surrounds them when they are outside a cell. Viroids do not have a protein coat and prions contain no RNA or DNA. In short, just say that all viruses have a protein coat and either DNA or RNA.


What is a difference between bacteria and viruses shows that bacteria are living organisms and viruses are not?

Bateria are made of cells APEX~:)


What is a difference between bacteria and viruses that shows that bacteria are living organism and viruses are not?

Bateria are made of cells APEX~:)