Osobine i gradja virusa. Bolesti izazvane virusima Flashcards

1
Q

Zasto kazemo da se virusi nalaze na granici izmedju zivog i nezivog?

A

Zato sto se ne hrane,ne disu,ne rastu, ali se razmnozavaju.

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2
Q

Sta se nalazi u omotacu virusa?

A

Nasledni materijal.

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3
Q

Objasni tok umnozavanja virusa.

A
  1. Virus se pricvrscava za celiju.
  2. Virus u celiju ubacuje nasledni materijal.
  3. Nasledni materijal virusa se umnozava u celiji
  4. U celiji nastaju novi virusi koji razaraju celiju i napadaju nove zdrave celije.
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4
Q

Kako nazivamo virusne bolesti?

A

Viroze.

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5
Q

Nabroji par viroza kod čoveka.

A

Grip,male boginje,zutica,decja paraliza itd.

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