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DNA

Which of thes...

Question

Which of these is not present in DNA?
(a) Adenine
(b) Thymine
(c) Uracil
(d) Cytosine

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Solution

(c) Uracil

The four nitrogen bases present in DNA are adenine, guanine, thymine and cytosine. Uracil is present in RNA.

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Which of the following bases is not present in DNA?
(a) Adenine (b) Thymine (c) Cytosine (d) Uracil

DNA and RNA contain four bases each. Which of the following bases is not present in RNA?
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Q. Nitrogenous base present in DNA are
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(c) Adenine
(d) Guanine

Q. Which of the following is/are pyrimidine derivatives?
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Q. Two stretches of DNA, A and B are taken for a polymerase chain reaction. If DNA-A has more guanine-cytosine bases than adenine-thymine and DNA-B has more adenine-thymine bases than guanine-cytosine bases, which of the following statements is true regarding PCR of these two stretches of DNA?

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