virusy Flashcards

(11 cards)

1
Q

virologia

A

veda, ktorá sa zaoberá vírusmi

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2
Q

su virusy bunkove
cim su viditelne

A

su nebunkove org ktore su viditelne len alektronovym mikroskopom

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3
Q

na koho je viauany virus

A

na konkretneho hostitela
prokaryoticka alebo eukaryoticka bunka

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4
Q

preco su viazane virusy na hostitela

A

pretoze samy nie su schpne zabezpecit si vsetky zivotne funkcie (rozmnozovanie

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5
Q

co zabezpeciu reprodukciu virusom

A

hostitelska bunka priamo

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6
Q

preco su virusy vnutrobunkove parazity na molekularnej urovni

A

nemaju vlastny metabolizmus
uplne im chyba proteisynteticmy aparT( ribozomy tRNA) a metabolicky aparat
nemaju aktivny pohyb
nie su drazdive

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7
Q

co je to virion
v com sa udava velkost

A

infekcna stavebna castica virusu
v nm

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8
Q

co obsahuje virion

A

jednu alebo viac molekus nuk kyseliny DNA alebo RNA

kapsid-bielkovinovy obal co chrani geneticky material virusu

tukovy obal - u vacsich virusov

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9
Q

tvar virusov

A

gulovity-virus chripky
tycinkovity- virus tabakovej mozaiky
virus bakterii so specific stavbou

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10
Q

aky virus ma osobitny tvar virusu

A

bakteriofag - napada a nici balterie

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11
Q

z coho sa sklada osobny tvar bekteriofagu

A

hlavne casti: hlavicka bicik
dalsie: kapsid ,DNA,obal/ posva bicika, prichytne vlakna,kanal

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