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  • Oglekļa dioksīda klātbūtnes nepieciešamība fotosintēzes procesā

     

    Samples2 Biology

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ID number:772787
 
Author:
Evaluation:
Published: 23.04.2013.
Language: Latvian
Level: Secondary school
Literature: n/a
References: Not used
Extract

Eksperiments.
a) Veic ar diviem augiem podiņos. Vienam augam ir visi nepieciešamie apstākļi fotosintēzes veikšanai, otram augam nepiegādās CO2 .
Augu līdz lapām ieliek polietilēna maisiņā, blakus noliek nātrija hidroksīds, kas absorbē CO2. Virsū uzliek zvanveida stikla trauku, kura kaklu noslēdz ar soda lime ķīmisko vielu maisījumu, kas absorbē CO2 no gaisa.

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