THE MOLECULAR BASIS OF INHERITANCE
DNA MAKES RNA MAKES PROTEIN
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Question
[CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
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If a portion of a DNA strand has the base sequence ACGACG, what will be the base sequence of the mRNA strand transcribed?
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TCGACG
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TGCTGC
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UCGACG
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UGCUGC
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Explanation:
Detailed explanation-1: -mRNA strand is complementary to template strand of DNA, while coding strand has same sequence as RNA (except thymine at the place of uracil). Hence, the sequence of bases in mRNA will be AUUCGAUG.
Detailed explanation-2: -The sequence for AACGTAACG in mRNA molecule synthesized after transcription from a DNA strand shall be UUGCAUUGC.
Detailed explanation-3: -The DNA strand with the polarity 3′
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