OBJECTIVE LIFE SCIENCE
MOLECULAR BIOLOGY
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Question
[CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
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What is the complimentary mRNA sequence to the DNA sequence A-T-T-G-C-A.
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T-A-A-C-G-T
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U-A-A-C-G-T
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U-A-A-C-G-U
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T-A-A-G-C-U
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Explanation:
Detailed explanation-1: -Answer and Explanation: If one strand of DNA has the base sequence ATCGTA the complementary strand would be TAGCAT as A and T pair and C and G pair.
Detailed explanation-2: -mRNA is formed as a complementary strand to one of the two strands of the DNA. Three of the four nitrogenous bases that make up RNA-adenine (A), cytosine (C), and guanine (G)-are also found in DNA. In RNA, however, a base called uracil (U) replaces thymine (T) as the complementary nucleotide to adenine.
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