Vírus, Viroide e Príons
Flashcard
•
Biology
•
8th Grade
•
Practice Problem
•
Hard
Wayground Content
FREE Resource
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15 questions
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1.
FLASHCARD QUESTION
Front
O que são viroides?
Back
Os viroides são agentes infecciosos compostos apenas por RNA, sem cápsula proteica, que causam doenças principalmente em plantas.
2.
FLASHCARD QUESTION
Front
Os viroides possuem cápsula proteica?
Back
Falso. Os viroides não possuem cápsula proteica.
3.
FLASHCARD QUESTION
Front
Em quais organismos os viroides causam doenças?
Back
Os viroides causam doenças principalmente em plantas.
4.
FLASHCARD QUESTION
Front
Quais são os ciclos de vida dos vírus?
Back
Os vírus possuem dois ciclos de vida: o ciclo lítico e o ciclo lisogênico.
5.
FLASHCARD QUESTION
Front
O que é o ciclo lítico?
Back
No ciclo lítico, o vírus invade a célula hospedeira, se reproduz e causa a morte da célula ao liberar novas partículas virais.
6.
FLASHCARD QUESTION
Front
O que é o ciclo lisogênico?
Back
No ciclo lisogênico, o material genético do vírus se integra ao DNA da célula hospedeira e pode ser replicado junto com o DNA da célula.
7.
FLASHCARD QUESTION
Front
Os vírus podem sofrer mutações?
Back
Verdadeiro. Os vírus podem sofrer mutações e evoluir ao longo do tempo.
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