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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?
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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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(d) Guanine

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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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