Cyanobacteria help in nitrogen fixation because they have:
Correct answer: B. Heterocysts
- A. Sodium channels
- B. Heterocysts
- C. Hormogonia
- D. Nitrogenase
Explanation
Cyanobacteria have specialized nitrogen-fixing cells called heterocysts which play a vital role in nitrogen fixation.
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About Kingdom Prokaryotae
Kingdom Prokaryotae includes bacteria and cyanobacteria, organisms with no membrane-bound nucleus or membrane-bound organelles. It covers their cell wall, capsule, flagella, plasmids, forms of nutrition, binary fission, useful and harmful roles, and the differences between prokaryotic cells and eukaryotic cells.
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