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Describe how can viruses and prions can alter cell function?
Viruses and prions have the ability to reproduce. After entering a cell, they alter something about it's protein formation
What are groups of the microorganisms?
protozoa fungi bacteria viruses prions
Are viruses the smallest pathogens?
No, prions are smaller still.
Do prions have RNA?
No, prions aren't organisms or even organism imitators like viruses. Prions are misfolded proteins that can aggregate and cause serious neurological problems. See link below for more info about prions from Answers.com.
Is a prion considered an organism?
No prions are composed of protein - they are nonliving.
Why don't viruses and prions qualify as organisms?
Both are missing some key characteristics of life - prions more so than viruses. The most prominent feature that is missing is the ability to reproduce without a host. Viruses can't reproduce without a host cell and prions can't propagate without a normal protein that is transformed into a prion.
Are prions prokaryotic?
No. Prions are neither prokaryotic nor eukaryotic. They are similar to viruses - nonliving. However, they are more "nonliving" than viruses in the respect that they are just protein sans nucleic acid or anything cell-like.
What are some characteristics of members of residents microbiota?
Archaea,Bacteria,Prions and Viruses
How do viroids and prions compare with viruses?
they both doesn't have nucleus Type your answer here...
Do all scientists believe viruses are alive?
Certainly not. It is a hotly debated subject. Viruses (and prions for that matter) are not alive in a conventional sense.
What is infectious diseases caused by?
"germs" -- bacteria, viruses, parasites, fungi, and possibly prions
What are 5 classes of infectious agents?
Prions, Viruses, Bacteria, Fungi, and Animal Parasites.
