In DNA, there are

In DNA, there are

Q. In DNA, there are

A.            five bases known as adenine, guanine, thymine, tryptophan and cytosine

B.            four bases known as adenine, guanine, thymine and cytosine

C.            three bases known as adenine, guanine and cytosine

D.            only two bases known as adenine and cytosine

Answer: four bases known as adenine, guanine, thymine and cytosine

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