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MICRO2
Viruses and Prions
| Question | Answer |
|---|---|
| What genetic materials do viruses contain? | RNA or DNA (NOT BOTH) |
| TAXONOMY | TAXONOMY |
| What do family names end with? | Virdae |
| What do genus names end with? | Virus |
| What are virus species? | A group of viruses sharing the same genetic info and niche(host) |
| What designates a subspecies? | Number |
| TYPES OF VIRAL REPLICATION | TYPES OF VIRAL REPLICATION |
| DNA SINGLE STRANDED VIRUSES | DNA SINGLE STRANDED VIRUSES |
| RNA + strand replication | RNA + STRAND REPLICATION |
| What is the + strand? | The one that is transcriped; the mRNA |
| What is an example of a virus that replicates like the RNA + strand? | Picornavirdea--family, poliovirus species |
| RNA, - strand | RNA - STRAND |
| What is this strand? What can it do? | Template for the protein, then copied by + strand, |
| What is an example of a virus in this replication method? | Rabies virus/ rhabdovirdea |
| RNA DOUBLE STRANDED | RNA DOUBLE STRANDED |
| What can it do that is unique to this sort of type? | It can survive an insult |
| What is an example of this type of virus? | Reovirdae |
| RNA CONTAINING VIRUSES | RNA CONTAINING VIRUSES |
| + STRAND VIRUSES | + STRAND` |
| Give characteristics and abilities of the + strand replication: | Makes a -- strand, makes more + strand, and translates proteins |
| -- STRAND VIRUSES | -- STRAND |
| Give characteristics and abilities of the -- strand virus: | Makes a + strand, more -- strands, and translates proteins |
| DOUBLE STRANDED VIRUSES | DOUBLE STRANDED VIRUSES |
| An example of this type of virus is? | Reovirus |
| What abilities and charcteristics does it have? | Makes both + and - strand and translates new proteins |
| DNA VIRUSES | DNA VIRUSES |
| What kind of polymerase do they use? | our own DNA polymerase |
| What characteristics and abilities does it have? | Transcribes RNA from viral DNA, Replicates viral DNA, makes protiens for capsid |
| Fig. 13.10; What does the ecplise period represent? | Ecplise: no intact varion = no virus |
| PRIONSQ | PRIONS |
| What are prions? | Have no nucleic acids, just proteins |
| How predominant is it? | We have tons of this stuff in this normal form |
| Give examples and characteristics, | Proteinaceous infectious particle, B. Contains no DNA |
| What ability does it have? | Changes normal protein into a misfolded one |
| What abilities do the altered proteins have? | they can change other protiens and can be transmitted from one species to another |
Created by:
talkglitter2486