OBJECTIVE LIFE SCIENCE
MOLECULAR BIOLOGY
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Question
[CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
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Part of the base sequence of a mRNA molecule is:UACGGAWhat is the base sequence of the DNA sense strand that corresponds to this?
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ATGCCT
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UACGGA
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AUGCCU
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TACGGA
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Explanation:
Detailed explanation-1: -This order is determined by the attraction between a codon, a sequence of three nucleotides on the mRNA, and a complementary nucleotide triplet on the tRNA, called an anticodon. This anticodon also specifies the particular amino acid that the tRNA carries.
Detailed explanation-2: -The DNA strand which has same as that of newly synthesized mRNA (transcript) is called as coding strand. The only difference lies in presence of uracil in place of thymine in the transcript. For the given base sequence of coding strand, the transcript sequence will be “5′-GUUCGAGUC-3′".
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