D. Proteins are composed of amino acids and determines all the structures and functions of the organism.
Answer: Nitrogen is so vital because it is a major component of chlorophyll, the compound by which plants use sunlight energy to produce sugars from water and carbon dioxide (i.e., photosynthesis). It is also a major component of amino acids, the building blocks of proteins.
Explanation:
Answer:
enzymes
Explanation:
enzymes are catalyst to any process