These organisms convert nitrogen in the soil to ammonia, which can then be taken up by plants. This process also occurs in aquatic ecosystems, where cyanobacteria participate. After nitrogen has been fixed, other bacteria convert it into nitrate, in a process known as nitrification.
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Answer:
False
Explanation:
All the bases are found in DNA not RNA
RNA is identified with thymine
 
        
             
        
        
        
Answer:
thye chromosomes are not visible
Explanation:
 
        
             
        
        
        
Answer: 300 grams
If Anna’s doctor recommends getting 60% of her calories from carbohydrates, it means that (2000*.60) or 1200 calories should come from carbohydrates.
<span>If one gram of carbohydrate provides 4 calories of energy, then 1200 calories is equal to (1200/4) or 300 grams of carbohydrates Anna should consume each day.</span>