6.4 viroids, virusoids, and prions
Call Kai
Learn
Practice Test
Spaced Repetition
Match
Flashcards
Knowt Play1/9
There's no tags or description
Looks like no tags are added yet.
Name | Mastery | Learn | Test | Matching | Spaced | Call with Kai |
|---|
No analytics yet
Send a link to your students to track their progress
10 Terms
viroids
- virus-like but not a virus
- circular RNA that can self-replicate (no DNA conversion)
• No protein coating
(capsid)
• Important to agriculture
ex. potato tuber spindle disease
virusoids
• Subviral particles
• Non-self replicating ssRNAs
• Part of satellite virus group & require a "helper" virus
virusoid example
subterranean clover mottle virus
• Virus contains virusoid in capsid
What are prions?
Misfolded rogue proteins that can cause others to become misfolded.
Do all infectious agents have genomic material?
No, not all infectious agents have genomic material.
What diseases are caused by prions?
Transmissible spongiform encephalopathy, such as mad cow disease and CJD.
How are prions transmitted between animals and to humans?
Through eating contaminated meat/feed.
How can prions be transmitted from human to human?
Through heredity.
What is a key characteristic of prions regarding destruction?
They are difficult to destroy.
Is there a treatment for prion diseases?
No, there is no treatment.
