Question

Give me Short notes on virus virosoids viroids and prions

Answer 1

Answer:

How are viruses, viroids and prions related?

BY DEBRA RONCA

Viroids and Prions

The most well-known disease caused by prions is mad cow disease.

The most well-known disease caused by prions is mad cow disease.

INGRAM PUBLISHING/THINKSTOCK

A viroid (an infectious RNA molecule) is similar to a virus but not quite the same thing. It's smaller than a virus and has no capsid. A viroid is a coiled, "naked" RNA molecule that can affect a cell. Although RNA (unlike DNA) is single-stranded, the RNA in a viroid coils around itself to become double-stranded for strength. Its claim to fame is its ability to infect plant life. Although it has no protein of its own, a viroid's RNA affects a plant's ability to produce essential proteins.

Discovered by scientists in the 1970s, viroids affect crops like tomatoes, potatoes and fruit trees. They don't cause human disease, but they can cause crop failure, which means a huge loss of revenue for the agriculture industry each year.

Explanation:

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Answer 2

A viroid (an infectious RNA molecule) is similar to a virus but not quite the same thing. It's smaller than a virus and has no capsid. A viroid is a coiled, "naked" RNA molecule that can affect a cell. Although RNA (unlike DNA) is single-stranded, the RNA in a viroid coils around itself to become double-stranded for strength. Its claim to fame is its ability to infect plant life. Although it has no protein of its own, a viroid's RNA affects a plant's ability to produce essential proteins.

Discovered by scientists in the 1970s, viroids affect crops like tomatoes, potatoes and fruit trees. They don't cause human disease, but they can cause crop failure, which means a huge loss of revenue for the agriculture industry each year .