Nitrogen Is a Growth-Limiting Nutrient for Many Organisms Because

question 7

Multiple Choice

Nitrogen is a growth-limiting nutrient for many organisms because

• A) it is necessary for the biosynthesis of amino acids.
• B) it is required for synthesis of nucleotides.
• C) it is required for lipid synthesis.
• D) only a small number of bacteria are able to extract it from the atmosphere.
• E) only a few microbes can extract it from the atmosphere, but all organisms require it for amino acid and nucleotide synthesis.

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