FOOD CHEMISTRY
CARBOHYDRATES PROTEINS AND LIPIDS
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Question
[CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
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What are the nitrogen bases in DNA?
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Adenine
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Thymine
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Cyotsine
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Guanine
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Uracil
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Explanation:
Detailed explanation-1: -Under normal circumstances, the nitrogen-containing bases adenine (A) and thymine (T) pair together, and cytosine (C) and guanine (G) pair together. The binding of these base pairs forms the structure of DNA .
Detailed explanation-2: -Hence, total 5 nitrogen atoms. While cytosine has 3 nitrogen atoms, uracil and thymine have 2 nitrogen atoms each. The number of nitrogen atoms in Guanine is also 5 (not given in option).
Detailed explanation-3: -Nitrogenous bases, also called nucleobases, are nitrogenous compounds that form an important part of the nucleotides. Nucleotides are building blocks of DNA and RNA that are composed of a sugar, nitrogenous base and a phosphate group.
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