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Q. Which one of the following mineral elements play an important role in biological nitrogen fixation (Solved)
1. Copper
2. Magnesium
3. Zinc
4. Molybdenum
d. Molybdenum
Related Topics
→ Bacteria and Gram Staining
→ Bacterial Nutrition
→ General Properties of Microorganisms
→ History of Microbiology
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→ Sterilisation, Culture Media and Pure Culture Techniques
→ Structure of DNA and RNA
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