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13 Cards in this Set

  • Front
  • Back

ARN ribozomal contine numeroase:

Baze azotate metilate si un continut ridicat de guanin si citozina

ARN ribozomal se sintetizeaza in

Nucleoli

ARN ribozomal se cupleaza cu ... si formeaza ...

Proteinele ribozomale


Ribozom functional

Efectorii biochimici:

Vitamine


Enzime


Hormoni vegetali

Exemple enzime vegetale cu importanta medicinala:

Ficina


Papaina


Celulaza si hemicelulaza

Clasele de hormoni vegetali


Auxine


Gibereline


Citochinine


Acidul abscisic

Auxinele au rol in:

Miscari fototropice


Cresterea plantelor

Auxinele se acumuleaza in

endosperm, coleopil, grauncioare de polen, muguri

Cea mai importanta citochina

Kinetina

Citochinele influenteaza:

Morfogeneza, formarea mugurilor, transformarea proplastidelor in plastide, retardeaza imbatranirea frunzelor

Acidul abscisic este:

Un inhibitor natural

Virusuri cu structura helicoidala

ADN:variolei


ARN:gripal, oreionului, rujeolei, mozaicului tutunului

Virusuri cu simetrie cubica

ADN:adenovirusuri, herpetic, varicelei


ARN:poliomielitei