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ID number:156703
 
Evaluation:
Published: 26.01.2011.
Language: Latvian
Level: Secondary school
Literature: n/a
References: Not used
Extract

Barotne ir vide, kurā veidojas dažādas vielas un barojas mikroorganismi. Barotnēm jābūt pilnvērtīgām. Barotnē ir jābūt visām barības vielām, kuras nodrošina producenta (mikroorganisma) attīstību un sintēzi. Lai mikroorganisms vairotos, tam ir nepieciešams skābeklis, oglekļa saturošas minerālvielas – Mg , Ca, P, S, Fe, K u.c.
Vienam un tam pašam mikroorganismam barotnes sastāvs var būt dažāds.
Barotnē jābūt:
1. C (oglekļa ) avoti:
Lielākā daļa no bioloģiski aktīvām vielām, producentiem ir aerobi, gandrīz visus ogļhidrātus tie asimilē, oksidējot tos un metabolisma pamatprodukti ir CO2 un H2O .…

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