OBJECTIVE LIFE SCIENCE
MOLECULAR BIOLOGY
Question
[CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
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The four nitrogenous bases of DNA are
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Adenine, guanine, cytosine, and uracil
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Adenine, guanine, cytosine, and thymine
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Adenine, guanine, ribose and deoxyribose
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Adenine, deoxyribose, cytosine, and uracil
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Explanation:
Detailed explanation-1: -There are four nucleotides, or bases, in DNA: adenine (A), cytosine (C), guanine (G), and thymine (T). These bases form specific pairs (A with T, and G with C).
Detailed explanation-2: -Answer and Explanation: The correct answer is (b): uracil. DNA contains four bases which are adenine, guanine, thymine, and cytosine. Uracil is the nucleotide that is found in RNA instead of thymine.
Detailed explanation-3: -Thus, the four nitrogenous bases in the DNA are adenine, guanine, cytosine and thymine.
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