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Compare Viruses,Viro
Microbiology - Comparison of Viruses, Viroids, Prions
Characteristics | Virus | Viroid | Prion |
---|---|---|---|
Nucleic Acid | ssDNA,dsDNA,ssRNA, dsRNA | ssRNA | no |
Presence of capsid or envelop | yes | no | no |
presence of protien | yes | no | yes |
Need for helper viruses | yes/no(needed by some of the smaller viruses) | (blank) | (blank) |
Viewed by | Electron microscopy | Nucleotide sequence identification | host cell damage |
Affected by heat & protein denaturing agents | yes | no | no |
Affected by radiation of enzymes that digest DNA or RNA | yes | yes | no |
Host | bacteria, animals, plants | plants | mammals |