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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.
BRAINSTORM|Points 3057|User: DNA is made of nucleotides which are composed of A. a phosphate group, a sugar group and a nitrogenous base. B. a sugar group, an amino acid group and a nitrogenous base. C. a phosphate group, a starch group and a nitrogenous base. D. a protein group, a sugar group and a nitrogenous base.