virus. 1 parcial Flashcards

1
Q

ARN polaridad negativa

A

sufre transcripcion y se va a positivo

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2
Q

complejo macroscopico cuyo genoma es un elemento del acido nucleico

A

definicion virus

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3
Q

virones

A

particula virica morfologicamente completa e infecciosa

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4
Q

criterios de clasificacion

A

-forma del capside
-estructura
-material genetico
- tamaño
-tipo de celula que lo parasitan

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5
Q

forma de la capside

A

icosaedricos
helicoidales
complejos

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6
Q

estructura

A

-con envoltura proteica o lipoproteica
-desnudos
-helicoidales
-icosaedricos
-cilindricos
-complejos

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7
Q

material genetico ADN

A

-monocatenario/doble cadena
-cadena lineal/ cadena cicular
-polaridad positiva/negativa

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8
Q

material genetico ARN

A

monocatenario/doble cadena
cadena lineal
polaridad positiva/polaridad negativa

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9
Q

tipo de celula que parasitan

A

-virus animales
-virus vegetales
-fagos o bacteriofagos
-hongos, protistas, arqueas

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10
Q

adenovidae

A

material genetico: ADNds
envoltura: desnudo
simetria: icosaedrica

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11
Q

herpeviridae

A

material genetico: ADNds
envoltura: envuelto
simetria: icosaedrica

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12
Q

papilomaviridae

A

material genetico: ADNds circular
envoltura: desnudo
simetria: icosaedrica

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13
Q

herpeviridae

A

material genetico: ARNss
envoltura: desnudo
simetria: icosaedrica

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14
Q

retroviridae (vIH)

A

material genetico: ArNss
envoltura: envuelto
simetria: complejo

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15
Q

ortomixoviridae

A

material genetico: ARNss segmentado
envoltura: envuelto
simetria: helicoidal

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16
Q

rhabdoviridae

A

material genetico: ARNss
envoltura: envuelto
simetria: helicoidal

17
Q

los nuevos virus se liberan a la celula por dos vias

A

via lisogenica: se libera d la celula huesped sin destruirla
via litica: el numero de virus es tan grande que revientan la celula

18
Q

etapa 1

A

reconocimiento de su celula huesped, fijacion y aproximacion

19
Q

etapa 2

A

fusion del material genetico o entran a celula por receptores par