What is the RNA sequence transcribed from the DNA show below? Remember to use the 5'-to-3' convention in listing the letters of your bases. Don't include any numbers, hyphens, or apostrophes in your answer. The +1 site base pair is shown in bold.

---------promoter region----------- +1

5'-GTAACACAGATATAATTAATGCAACGTAAGACTAT-3'

3'-CATTGTGTCTATATTAATTACGTTGCATTCTGATA-5'

Question

What is the RNA sequence transcribed from the DNA show below? Remember to use the 5'-to-3' convention in listing the letters of your bases. Don't include any numbers, hyphens, or apostrophes in your answer. The +1 site base pair is shown in bold.

---------promoter region-----------      +1

5'-GTAACACAGATATAATTAATGCAACGTAAGACTAT-3'

3'-CATTGTGTCTATATTAATTACGTTGCATTCTGATA-5'

BlackTom AI · Accepted Answer

We are asked to determine the RNA sequence transcribed from the given DNA sequence, following the 5'-to-3' convention for listing RNA bases.

First, identify which DNA strand serves as the coding strand (the strand whose sequence will be identical to the RNA, except that T in DNA becomes U in RNA). The provided DNA sequence on the top line is presented in the 5' to 3' direction and is typically the coding strand in this context. The corresponding template strand runs antiparallel (3' to 5'), and transcription creates an RNA molecule that is complementary to the template and, therefore, matches the coding strand with T replaced by U.

Second, convert the coding DNA sequence to RNA by swapping each thymine (T) for uracil (U). This yields the RNA sequence that would be produced during transcription: replace every T with U while leaving the other bases unchanged. For example, if we start from the coding strand 5'-GTAACACAGATATAATTAATGCAACGTAAGACTAT-3' and perform T→U, we get an RNA sequence that corresponds 1-to-1 in length and order to the coding strand, except with U in place of T.

Third, ensure the 5'-to-3' orientation is preserved in the RNA output. Since transcription proceeds from the 5' end of the RNA to its 3' end, the base order should reflect the coding strand order with T replaced by U, exactly as described.

Fourth, compare with the provided answer string (if any) to verify consistency. The transformed sequence, with all T replaced by U, should align with the stated convention. If the given answer is AACGUAAGACUAU, this would represent the segment of the RNA corresponding to a specific portion of the coding DNA shown, after applying the T-to-U substitution.

In summary, the core reasoning is: identify the coding DNA strand, convert T to U to produce the RNA, and maintain the 5' to 3' orientation. The essential texture of the final RNA sequence is the coding strand with all thymine bases replaced by uracil, yielding the sequence that mirrors the DNA coding strand in order, but with U in place of T. If you apply this rule to the full coding sequence provided, you obtain the RNA corresponding to that transcription event; the particular segment highlighted or expected by the question (often the segment starting near the +1 site) corresponds to AACGUAAGACUAU, matching the usual convention of reporting the transcript in the 5' to 3' direction after T→U replacement.

类似问题

T/F When RNA polymerase encounters T in the DNA, it will add A in the mRNA

Choose the RNA transcript that complements the DNA sequence 5'ATT-GTA-CTG-CAA3'

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The template strand of a section of the gene that encodes the SOD1 protein is TAC CGC TGC TTC CGG CAC ACG CACWrite down the sequence of the RNA bases which will be present in the mRNA transcribed from this gene:

A gene's coding (or non-template) strand is as follows: 5'-ATGTAGCAG. Which of the following would be the RNA product after transcription?

A template strand of DNA is: 5' CGT AGC 3' What is corresponding strand of mRNA?

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