If one strand of DNA has the base sequence AAGCAA, the complementary strand has which of the following sequences?

UUCGUU

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TTCGTT

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AAGCM

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UTCGTU

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Solution

The correct option is B TTCGTT
The DNA (Deoxyribonucleic acid) molecules have four nucleotide bases along with sugar and phosphate backbone, these four bases are adenine, guanine, thymine, and cytosine. Adenine and thymine are bonded together by two hydrogen bonds while guanine and cytosine are bonded by three hydrogen bonds.
So, the correct option is 'TTCGTT'.

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