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ID number:119680
 
Evaluation:
Published: 17.01.2007.
Language: Latvian
Level: Secondary school
Literature: n/a
References: Not used
Extract

Vīrusi.
1883.g. atklāti
Nav šūnas uzbūves
Nav metabolisma (vielmaiņas) sistēmas
Nav spējīgi sevi pavairot
Šūnu parazīti
Piemīt saimniekorgāna specifiskums
Uzbūve:
1.Nukleīskābe
2.kapsīds (olbv. apvalks)
3.peploss- membrāna
KAPSĪDS-
Olbaltumvielas apvalks. Sīkas vienības- kapsomēri. Apņem genomu.
MEMBRĀNAS APVALKS- veido saimniekšūn. plazmatiskā membrāna.
PROTEĪNI- receptorfunkcija…

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