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Q.
What is true for cyanobacteria?
NTA AbhyasNTA Abhyas 2020Microbes in Human Welfare
Solution:
Cyanobacteria are oxygenic photoautotrophs. Many members perform nitrogen fixation. Nostoc is a genus of cyanobacteria which is an oxygenic photosynthetic bacteria. The heterocysts present in it are specialized cyanobacterial cells for nitrogen fixation. It contains the enzyme nitrogenase.