A DNA strand with the sequence $A A C G T A A C G$ is transcribed. What is the sequence of the mRNA molecule synthesized?

A A C G T A A C G

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U U G C A U U G C

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A A C G U A A C G

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T T G C A T T G C

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Solution

The correct option is B $U U G C A U U G C$
The sequence for AACGTAACG in mRNA molecule synthesized after transcription from a DNA strand shall be UUGCAUUGC. In an RNA strand, the genetic code follows the sequence of A-U, G-C, and T-A. Thus, by this genetic coding, the correct answer is option B.

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