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Ćelijski rast

Termin ćelijski rast se koristi u kontekstu ćelijskog razvića i ćelijske deobe (reprodukcije). Kad se koristi u kontekstu ćelijske deobe, on se se odnosi na rast ćelijskih populacija, gde jedna ćelija ("ćelija majka") raste i deli se da bi se formirale dve "ćelije ćerke" (M faza). Kas se koristi u kontekstu ćelijskog razvića, termin se odnosi na povećanje citoplazmične i organelske zapremine (G1 faza), kao i na povećanje količine genetičkog materijala (G2 faza) nakon replikacije tokom S faze.[1]

Ćelijske populacije

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Ćelijske populacije prolaze kroz specifični tip eksponencijalnog rasta koji se naziva udvostručavanje. Drugim rečima, svaka generacija ćelija je dva puta brojnija od prethodne generacije. U praksi, međutim, broj generacija je samo indikator maksimalnog broja ćelija, pošto sve ćelije ne prežive u svakoj generaciji.

  1. ^ „Definition”. Biology Online Dictionary. Приступљено 15. 05. 2011. 
  • Morgan DO. (2007) "The Cell Cycle: Principles of Control" London: New Science Press.

Spoljašnje veze

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Ćelijski rast
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