MCQ
Nitrogen fixation by Nostoc takes place in
- ✓Heterocysts
- BVegetative cells
- CAkinetes
- DHormogonia
✓
Answer
Correct option: A.
Heterocysts
a
(a) Heterocysts are airtight anaerobic bodies in which enzyme nitrogenase fixes atmospheric nitrogen.
(a) Heterocysts are airtight anaerobic bodies in which enzyme nitrogenase fixes atmospheric nitrogen.
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