BIOLOGY
NUCLEIC ACIDS
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Question
[CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
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Which of the following are purines?
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adenine
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cytosine
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guanine
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thymine
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uracil
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Explanation:
Detailed explanation-1: -Assertion :Purine bases present in DNA are adenine and guanine.
Detailed explanation-2: -One of two chemical compounds that cells use to make the building blocks of DNA and RNA. Examples of purines are adenine and guanine.
Detailed explanation-3: -Because of their structural similarity, we usually refer the nine-member double rings adenine and guanine as purines, and six-member single-ring thymine, uracil, and cytosine are pyrimidines.
Detailed explanation-4: -Guanine is a purine base. Adenine is another purine base. Cytosine, Thymine and Uracil are pyrimidines.
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