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When we eat nitrates, they are converted into nitrites in our digestive system, which are then converted to ammonia and disposed of by the body. Nitrites are also inorganic compounds made up of nitrogen and oxygen, but instead of three oxygen molecules they have two, NO2. Nitrates are not generally harmful unless they are consumed in massive quantities. Nitrites, on their own and in moderation, are also generally not harmful.
Rating Newest Oldest. Best Answer: DNA is composed of nitrogenous bases, phosphate groups, and the sugar, deoxyribose. Nitrogenous bases can be: adenine, guanine, cytosine, and thymine. One nitrogenous base, one phosphate group, and one deoxyribose molecule form a nucleotide, the basic component of DNA. pairs with T, and C with G. DNA is not composed of amino acid or proteins, rather it serves as a set of instructions to combine amino acids into proteins (after it hads been transcribed into RNA the RNA is translated into amino acid sequences for proteins).