Regulation of Nitrogen Fixation Study guides, Class notes & Summaries

Regulation of nitrogen fixation exam questions and answers nif cluster - Answer- a genetically linked and coordinately regulated group of operons encoding genes required for nitrogen fixation What is the EBP for nif genes? - Answer- NifA How does the activity of NifA differ from that of NtrC? - Answer- The unmodified form of NifA is active NtrC needs to be phosphorylated to be active Under what 2 conditions does nif transcription occur? - Answer- 1) Only in the absence of a fixed nitrog...

nif cluster a genetically linked and coordinately regulated group of operons encoding genes required for nitrogen fixation What is the EBP for nif genes? NifA How does the activity of NifA differ from that of NtrC? The unmodified form of NifA is active NtrC needs to be phosphorylated to be active Under what 2 conditions does nif transcription occur? 1) Only in the absence of a fixed nitrogen source 2) Only if oxygen concentration not high enough to damage nitrogenase 2 What are th...

Regulation of nitrogen fixation exam questions and answers nif cluster - Answer- a genetically linked and coordinately regulated group of operons encoding genes required for nitrogen fixation What is the EBP for nif genes? - Answer- NifA How does the activity of NifA differ from that of NtrC? - Answer- The unmodified form of NifA is active NtrC needs to be phosphorylated to be active Under what 2 conditions does nif transcription occur? - Answer- 1) Only in the absence of a fixed nitrog...

Regulation of nitrogen fixation exam questions and answers nif cluster - Answer- a genetically linked and coordinately regulated group of operons encoding genes required for nitrogen fixation What is the EBP for nif genes? - Answer- NifA How does the activity of NifA differ from that of NtrC? - Answer- The unmodified form of NifA is active NtrC needs to be phosphorylated to be active Under what 2 conditions does nif transcription occur? - Answer- 1) Only in the absence of a fixed nitrog...

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