5.바이러스와 비세포성 생물
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- 2015.08.26
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- 2015.03
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5. Viruses and Other Aacellular Agents
bacteriophage
capsid
envelope virus
induction
lysogeny
lytic cycle
minus, or negative strand
naked virus
nucleocapsid
peplomer, spike
plus, of positive strand
prion
provirus(prophage)
retroviruses
segmented genome
temperate phage
virion
viroid
virulent virus
virus
virusoid
-Acellular in fectious agents
생명체
복제, 대사 -> virus는 스스로 못함, 다른 세포안에서만 가능
Virion
-Complete virus particle
-Consists of >1 molecule of DNA or RNA enclosed in coat of protein.
-May have additional layers
-Procaryotes나 eucaryotes처럼 스스로 생식하거나 분열하지 못함.
<그 림>
Th Structure of Viruses
- Virion size range is ~ 10-400 nm in diameter
-> Most viruses too small to be seen with the light microscope.
-가장 단순한 virus는 nucleocapsid로 형성
-> Nucleocapsid = nucleic acid + protein coat
-Envelopes
->Virions having envelopes = enveloped viruses
-> Virions lacking envelopes - naked viruses
Capsids
-Large macromolecular structures which serve as proterin
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