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Introduction:
The central dogma of biology is that the DNA codes for RNA which guides the synthesis of proteins. RNA is
Answer to Problem 26A
Correct answer :
The correct answer is option B. 5’ AUGUUUGAUCUU3’.
Explanation of Solution
Explanation/justification for the correct answer:
Option B. 5’AUGUUUGAUCUU3’- Through transcription, the DNA code is transferred to mRNA. The mRNA transcript is manufactured in a 5’ to 3’ direction adding each new
Hence, this is the correct option.
Explanation for incorrect answer:
Option A. 5’ATGTTTGATCTT3’- Uracil is incorporated instead of thymine as the mRNA molecule is made. In this option there is thymine and no uracil. Hence, this is not the correct option.
Option C. 5’TACAAACTAGAA3’- Through transcription the DNA code is transferred to mRNA. The mRNA transcript is manufactured in a 5’ to 3’ direction adding each new nucleotide to the 3’ end. This is the same sequence of nucleotides as the template strand of DNA. There is no base pairing done in the mRNA. Hence, this is not the correct option.
Option D. 5’UACAAACUAGAA3’- Uracil is incorporated instead of thymine as the mRNA molecule is made. In this option only thymine is replaced by uracil but no complementary base pairing is done in mRNA. Hence, this is not the correct option.
Chapter 12 Solutions
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