virusi Flashcards

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1
Q

lastnosti virusov

A

niso zgrajeni iz celic
so manjdi od celic
ne vsebujejo encimov
nimajo presnove

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2
Q

kaj vsebujejo virusi

A

DNA ali RNA

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3
Q

Kaj potrebujejo virusi za razmnozevanje

A

potrebujejo gostiteljsko celico

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4
Q

Kaj je bakteriofag

A

virusi ki zajedajo bakterije

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5
Q

Razmnozevanje bakteriofagov

A

z nitastimi izrastki se pritrdi na gostiteljsko celico
virusna dna vstopi v g.celico in povzroci razpad gostiteljske dna
virusni dna se najprej namnozi in nato prisili celico k tvorbi se preostalih novih virusov
v celici se sestavi veliko novih virusov
ko novonastali viruis zapustijo celico ta obicajno propade

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