NUTRITION
THE HUMAN BODY
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Question
[CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
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There is no nitrogen in a
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DNA
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proteins
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water
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nucleic acids
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Explanation:
Detailed explanation-1: -Depending on water properties, various inorganic nitrogen compounds may be found. In aerobic waters nitrogen is mainly present as N2 and NO3-, and depending on environmental conditions it may also occur as N2O, NH3, NH4+, HNO2, NO2-or HNO3. Water in coastal areas mainly contains elementary nitrogen gas (N2).
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